12722657870 has 16 divisors (see below), whose sum is σ = 24662383200. Its totient is φ = 4697596704.

The previous prime is 12722657813. The next prime is 12722657881. The reversal of 12722657870 is 7875622721.

It is a congruent number.

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, 48933170 + ... + 48933429.

It is an arithmetic number, because the mean of its divisors is an integer number (1541398950).

Almost surely, 2^12722657870 is an apocalyptic number.

12722657870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12722657870 is a deficient number, since it is larger than the sum of its proper divisors (11939725330).

12722657870 is a wasteful number, since it uses less digits than its factorization.

12722657870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97866619.

The product of its (nonzero) digits is 658560, while the sum is 47.

The spelling of 12722657870 in words is "twelve billion, seven hundred twenty-two million, six hundred fifty-seven thousand, eight hundred seventy".