12632964478 has 8 divisors (see below), whose sum is σ = 19270623960. Its totient is φ = 6209423160.

The previous prime is 12632964457. The next prime is 12632964479. The reversal of 12632964478 is 87446923621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12632964479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53529393 + ... + 53529628.

It is an arithmetic number, because the mean of its divisors is an integer number (2408827995).

Almost surely, 2^12632964478 is an apocalyptic number.

12632964478 is a deficient number, since it is larger than the sum of its proper divisors (6637659482).

12632964478 is a wasteful number, since it uses less digits than its factorization.

12632964478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107059082.

The product of its digits is 3483648, while the sum is 52.

The spelling of 12632964478 in words is "twelve billion, six hundred thirty-two million, nine hundred sixty-four thousand, four hundred seventy-eight".