12642732910 has 8 divisors (see below), whose sum is σ = 22756919256. Its totient is φ = 5057093160.

The previous prime is 12642732881. The next prime is 12642732919. The reversal of 12642732910 is 1923724621.

12642732910 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12642732910.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12642732919) 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, 632136636 + ... + 632136655.

It is an arithmetic number, because the mean of its divisors is an integer number (2844614907).

Almost surely, 2^12642732910 is an apocalyptic number.

12642732910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12642732910 is a deficient number, since it is larger than the sum of its proper divisors (10114186346).

12642732910 is a wasteful number, since it uses less digits than its factorization.

12642732910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264273298.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 12642732910 in words is "twelve billion, six hundred forty-two million, seven hundred thirty-two thousand, nine hundred ten".