12126632664 has 32 divisors (see below), whose sum is σ = 30681846720. Its totient is φ = 3993508896.

The previous prime is 12126632633. The next prime is 12126632681. The reversal of 12126632664 is 46623662121.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3041842 + ... + 3045825.

It is an arithmetic number, because the mean of its divisors is an integer number (958807710).

Almost surely, 2^12126632664 is an apocalyptic number.

It is an amenable number.

12126632664 is an abundant number, since it is smaller than the sum of its proper divisors (18555214056).

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

12126632664 is a wasteful number, since it uses less digits than its factorization.

12126632664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6087759 (or 6087755 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The spelling of 12126632664 in words is "twelve billion, one hundred twenty-six million, six hundred thirty-two thousand, six hundred sixty-four".