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20212120120000 = 2654505303003
BaseRepresentation
bin1001001100010000000000…
…01111010110101011000000
32122120021000101220002011111
410212020000033112223000
510122123410222320000
6110553153024253104
74154164115213464
oct446100017265300
978507011802144
1020212120120000
116492a03973836
1223252b2171194
13b37cc1604143
144dc3b3ca84a4
15250b6c3a6cba
hex1262003d6ac0

20212120120000 has 70 divisors (see below), whose sum is σ = 50119489057748. Its totient is φ = 8084848032000.

The previous prime is 20212120119943. The next prime is 20212120120013. The reversal of 20212120120000 is 2102121202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 252611502 + ... + 252691501.

Almost surely, 220212120120000 is an apocalyptic number.

20212120120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212120120000 is an abundant number, since it is smaller than the sum of its proper divisors (29907368937748).

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

20212120120000 is an frugal number, since it uses more digits than its factorization.

20212120120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505303035 (or 505303010 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20212120120000 its reverse (2102121202), we get a palindrome (20214222241202).

The spelling of 20212120120000 in words is "twenty trillion, two hundred twelve billion, one hundred twenty million, one hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 625 800 1000 1250 1600 2000 2500 4000 5000 8000 10000 20000 40000 505303003 1010606006 2021212012 2526515015 4042424024 5053030030 8084848048 10106060060 12632575075 16169696096 20212120120 25265150150 32339392192 40424240240 50530300300 63162875375 80848480480 101060600600 126325750750 161696960960 202121201200 252651501500 315814376875 404242402400 505303003000 631628753750 808484804800 1010606006000 1263257507500 2021212012000 2526515015000 4042424024000 5053030030000 10106060060000 20212120120000