12856044138300 has 360 divisors, whose sum is σ = 45657974233872. Its totient is φ = 3103235712000.

The previous prime is 12856044138293. The next prime is 12856044138341. The reversal of 12856044138300 is 383144065821.

12856044138300 is a `hidden beast` number, since 1 + 2 + 8 + 5 + 604 + 4 + 1 + 3 + 8 + 30 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 20450670 + ... + 21069930.

Almost surely, 2^{12856044138300} is an apocalyptic number.

12856044138300 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 12856044138300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22828987116936).

12856044138300 is an abundant number, since it is smaller than the sum of its proper divisors (32801930095572).

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

12856044138300 is a wasteful number, since it uses less digits than its factorization.

12856044138300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619531 (or 619515 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 12856044138300 in words is "twelve trillion, eight hundred fifty-six billion, forty-four million, one hundred thirty-eight thousand, three hundred".