12831617052 has 48 divisors (see below), whose sum is σ = 33310631200. Its totient is φ = 4271616000.

The previous prime is 12831617033. The next prime is 12831617053. The reversal of 12831617052 is 25071613821.

12831617052 is a `hidden beast` number, since 1 + 2 + 8 + 31 + 617 + 0 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12831616998 and 12831617016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12831617053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5802 + ... + 160302.

Almost surely, 2^12831617052 is an apocalyptic number.

12831617052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12831617052 is an abundant number, since it is smaller than the sum of its proper divisors (20479014148).

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

12831617052 is a wasteful number, since it uses less digits than its factorization.

12831617052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155283 (or 155275 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 12831617052 in words is "twelve billion, eight hundred thirty-one million, six hundred seventeen thousand, fifty-two".