12512742936 has 32 divisors (see below), whose sum is σ = 31722451200. Its totient is φ = 4112168480.

The previous prime is 12512742871. The next prime is 12512742941. The reversal of 12512742936 is 63924721521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3669876 + ... + 3673283.

It is an arithmetic number, because the mean of its divisors is an integer number (991326600).

Almost surely, 2^12512742936 is an apocalyptic number.

It is an amenable number.

12512742936 is an abundant number, since it is smaller than the sum of its proper divisors (19209708264).

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

12512742936 is a wasteful number, since it uses less digits than its factorization.

12512742936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7343239 (or 7343235 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The spelling of 12512742936 in words is "twelve billion, five hundred twelve million, seven hundred forty-two thousand, nine hundred thirty-six".