12531547012 has 12 divisors (see below), whose sum is σ = 22637633536. Its totient is φ = 6063651720.

The previous prime is 12531547003. The next prime is 12531547013. The reversal of 12531547012 is 21074513521.

12531547012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12531547012² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (31) 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 (31).

It is not an unprimeable number, because it can be changed into a prime (12531547013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50530308 + ... + 50530555.

Almost surely, 2^12531547012 is an apocalyptic number.

It is an amenable number.

12531547012 is a deficient number, since it is larger than the sum of its proper divisors (10106086524).

12531547012 is a wasteful number, since it uses less digits than its factorization.

12531547012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101060898 (or 101060896 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 12531547012 in words is "twelve billion, five hundred thirty-one million, five hundred forty-seven thousand, twelve".