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20211012122000 = 2453717246310789
BaseRepresentation
bin1001001100001101111100…
…01100101011010110010000
32122120011011011222221122112
410212012332030223112100
510122114123100401000
6110552451044124452
74154124502326560
oct446067614532620
978504134887575
1020211012122000
116492495496507
122325043096728
13b37b75bb2c1b
144dc30aa86da0
15250b04e91235
hex1261be32b590

20211012122000 has 480 divisors, whose sum is σ = 59463994536960. Its totient is φ = 6507183513600.

The previous prime is 20211012121943. The next prime is 20211012122009. The reversal of 20211012122000 is 22121011202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (20211012122009) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1873292606 + ... + 1873303394.

It is an arithmetic number, because the mean of its divisors is an integer number (123883321952).

Almost surely, 220211012122000 is an apocalyptic number.

20211012122000 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 20211012122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29731997268480).

20211012122000 is an abundant number, since it is smaller than the sum of its proper divisors (39252982414960).

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

20211012122000 is a wasteful number, since it uses less digits than its factorization.

20211012122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11316 (or 11283 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20211012122000 its reverse (22121011202), we get a palindrome (20233133133202).

The spelling of 20211012122000 in words is "twenty trillion, two hundred eleven billion, twelve million, one hundred twenty-two thousand".