12540675372 has 24 divisors (see below), whose sum is σ = 29264574192. Its totient is φ = 4179796800.

The previous prime is 12540675281. The next prime is 12540675373. The reversal of 12540675372 is 27357604521.

It is not an unprimeable number, because it can be changed into a prime (12540675373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82222 + ... + 178442.

It is an arithmetic number, because the mean of its divisors is an integer number (1219357258).

Almost surely, 2^12540675372 is an apocalyptic number.

12540675372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12540675372 is an abundant number, since it is smaller than the sum of its proper divisors (16723898820).

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

12540675372 is a wasteful number, since it uses less digits than its factorization.

12540675372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107089 (or 107087 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 42.

The spelling of 12540675372 in words is "twelve billion, five hundred forty million, six hundred seventy-five thousand, three hundred seventy-two".