12665501134 has 32 divisors (see below), whose sum is σ = 22838707584. Its totient is φ = 5190605280.

The previous prime is 12665501111. The next prime is 12665501159. The reversal of 12665501134 is 43110556621.

It is a self number, because there is not a number n which added to its sum of digits gives 12665501134.

It is a congruent number.

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, 502644 + ... + 527239.

It is an arithmetic number, because the mean of its divisors is an integer number (713709612).

Almost surely, 2^12665501134 is an apocalyptic number.

12665501134 is a deficient number, since it is larger than the sum of its proper divisors (10173206450).

12665501134 is a wasteful number, since it uses less digits than its factorization.

12665501134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029952.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 12665501134 in words is "twelve billion, six hundred sixty-five million, five hundred one thousand, one hundred thirty-four".