12554664402 has 32 divisors (see below), whose sum is σ = 29944046592. Its totient is φ = 3431088144.

The previous prime is 12554664391. The next prime is 12554664413. The reversal of 12554664402 is 20446645521.

It is an interprime number because it is at equal distance from previous prime (12554664391) and next prime (12554664413).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6497308 + ... + 6499239.

It is an arithmetic number, because the mean of its divisors is an integer number (935751456).

Almost surely, 2^12554664402 is an apocalyptic number.

12554664402 is an abundant number, since it is smaller than the sum of its proper divisors (17389382190).

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

12554664402 is a wasteful number, since it uses less digits than its factorization.

12554664402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12996582.

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 12554664402 in words is "twelve billion, five hundred fifty-four million, six hundred sixty-four thousand, four hundred two".