12657632570 has 32 divisors (see below), whose sum is σ = 24879839040. Its totient is φ = 4598173440.

The previous prime is 12657632539. The next prime is 12657632587. The reversal of 12657632570 is 7523675621.

12657632570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53969 + ... + 168011.

It is an arithmetic number, because the mean of its divisors is an integer number (777494970).

Almost surely, 2^12657632570 is an apocalyptic number.

12657632570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12657632570 is a deficient number, since it is larger than the sum of its proper divisors (12222206470).

12657632570 is a wasteful number, since it uses less digits than its factorization.

12657632570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115070.

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 12657632570 in words is "twelve billion, six hundred fifty-seven million, six hundred thirty-two thousand, five hundred seventy".