12994632544 has 12 divisors (see below), whose sum is σ = 25583182884. Its totient is φ = 6497316256.

The previous prime is 12994632527. The next prime is 12994632571. The reversal of 12994632544 is 44523649921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203041102 + ... + 203041165.

It is an arithmetic number, because the mean of its divisors is an integer number (2131931907).

Almost surely, 2^12994632544 is an apocalyptic number.

It is an amenable number.

12994632544 is a deficient number, since it is larger than the sum of its proper divisors (12588550340).

12994632544 is an equidigital number, since it uses as much as digits as its factorization.

12994632544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406082277 (or 406082269 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 49.

The spelling of 12994632544 in words is "twelve billion, nine hundred ninety-four million, six hundred thirty-two thousand, five hundred forty-four".