12940329452 has 12 divisors (see below), whose sum is σ = 22647318960. Its totient is φ = 6469666896.

The previous prime is 12940329443. The next prime is 12940329491. The reversal of 12940329452 is 25492304921.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62552 + ... + 172607.

It is an arithmetic number, because the mean of its divisors is an integer number (1887276580).

Almost surely, 2^12940329452 is an apocalyptic number.

It is an amenable number.

12940329452 is a deficient number, since it is larger than the sum of its proper divisors (9706989508).

12940329452 is a wasteful number, since it uses less digits than its factorization.

12940329452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248920 (or 248918 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 12940329452 in words is "twelve billion, nine hundred forty million, three hundred twenty-nine thousand, four hundred fifty-two".