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212013213212000 = 255356239426161
BaseRepresentation
bin110000001101001100101100…
…010000101101110101100000
31000210200021011100200212201002
4300031030230100231311200
5210242111030040241000
62030525305304331132
762441310031640144
oct6015145420556540
91023607140625632
10212013213212000
1161610331759972
121b9416b8173aa8
13913b9b62822b5
143a4d6cc3cd224
151979e3beca8d5
hexc0d32c42dd60

212013213212000 has 96 divisors (see below), whose sum is σ = 521009160444864. Its totient is φ = 84790194432000.

The previous prime is 212013213211993. The next prime is 212013213212041. The reversal of 212013213212000 is 212312310212.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17778920 + ... + 27205080.

It is an arithmetic number, because the mean of its divisors is an integer number (5427178754634).

Almost surely, 2212013213212000 is an apocalyptic number.

212013213212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212013213212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260504580222432).

212013213212000 is an abundant number, since it is smaller than the sum of its proper divisors (308995947232864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212013213212000 is an equidigital number, since it uses as much as digits as its factorization.

212013213212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9431809 (or 9431791 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212013213212000 its reverse (212312310212), we get a palindrome (212225525522212).

The spelling of 212013213212000 in words is "two hundred twelve trillion, thirteen billion, two hundred thirteen million, two hundred twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 5623 11246 22492 28115 44984 56230 89968 112460 140575 179936 224920 281150 449840 562300 702875 899680 1124600 1405750 2249200 2811500 4498400 5623000 9426161 11246000 18852322 22492000 37704644 47130805 75409288 94261610 150818576 188523220 235654025 301637152 377046440 471308050 754092880 942616100 1178270125 1508185760 1885232200 2356540250 3770464400 4713080500 7540928800 9426161000 18852322000 37704644000 53003303303 106006606606 212013213212 265016516515 424026426424 530033033030 848052852848 1060066066060 1325082582575 1696105705696 2120132132120 2650165165150 4240264264240 5300330330300 6625412912875 8480528528480 10600660660600 13250825825750 21201321321200 26501651651500 42402642642400 53003303303000 106006606606000 212013213212000