12971981210 has 16 divisors (see below), whose sum is σ = 23385666816. Its totient is φ = 5180770128.

The previous prime is 12971981203. The next prime is 12971981221. The reversal of 12971981210 is 1218917921.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996002 + ... + 1008941.

It is an arithmetic number, because the mean of its divisors is an integer number (1461604176).

Almost surely, 2^12971981210 is an apocalyptic number.

12971981210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12971981210 is a deficient number, since it is larger than the sum of its proper divisors (10413685606).

12971981210 is a wasteful number, since it uses less digits than its factorization.

12971981210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005597.

The product of its (nonzero) digits is 18144, while the sum is 41.

The spelling of 12971981210 in words is "twelve billion, nine hundred seventy-one million, nine hundred eighty-one thousand, two hundred ten".