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12010900400160 = 253519436128231
BaseRepresentation
bin1010111011001000000101…
…1100111010100000100000
31120112020020022002210201220
42232302001130322200200
53033241311000301120
641313421555255040
72346521210620554
oct256620134724040
946466208083656
1012010900400160
113910881174882
12141b9622aa480
13691813ab38cc
142d748b563864
1515c66ed88b40
hexaec8173a820

12010900400160 has 576 divisors, whose sum is σ = 41435841807360. Its totient is φ = 2914826342400.

The previous prime is 12010900400143. The next prime is 12010900400197. The reversal of 12010900400160 is 6100400901021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12010900400160.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1459223245 + ... + 1459231475.

It is an arithmetic number, because the mean of its divisors is an integer number (71937225360).

Almost surely, 212010900400160 is an apocalyptic number.

12010900400160 is a gapful number since it is divisible by the number (10) 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 12010900400160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20717920903680).

12010900400160 is an abundant number, since it is smaller than the sum of its proper divisors (29424941407200).

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

12010900400160 is a wasteful number, since it uses less digits than its factorization.

12010900400160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8433 (or 8364 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 12010900400160 in words is "twelve trillion, ten billion, nine hundred million, four hundred thousand, one hundred sixty".