12635054044 has 12 divisors (see below), whose sum is σ = 22117095504. Its totient is φ = 6315883904.

The previous prime is 12635054027. The next prime is 12635054053. The reversal of 12635054044 is 44045053621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393397 + ... + 424300.

It is an arithmetic number, because the mean of its divisors is an integer number (1843091292).

Almost surely, 2^12635054044 is an apocalyptic number.

It is an amenable number.

12635054044 is a deficient number, since it is larger than the sum of its proper divisors (9482041460).

12635054044 is a wasteful number, since it uses less digits than its factorization.

12635054044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821564 (or 821562 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 12635054044 in words is "twelve billion, six hundred thirty-five million, fifty-four thousand, forty-four".