12970136452 has 24 divisors (see below), whose sum is σ = 27935679296. Its totient is φ = 5131042848.

The previous prime is 12970136447. The next prime is 12970136453. The reversal of 12970136452 is 25463107921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12970136453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17815758 + ... + 17816485.

Almost surely, 2^12970136452 is an apocalyptic number.

It is an amenable number.

12970136452 is an abundant number, since it is smaller than the sum of its proper divisors (14965542844).

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

12970136452 is a wasteful number, since it uses less digits than its factorization.

12970136452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35632267 (or 35632265 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 12970136452 in words is "twelve billion, nine hundred seventy million, one hundred thirty-six thousand, four hundred fifty-two".