12656600340 has 96 divisors (see below), whose sum is σ = 38007688320. Its totient is φ = 3137112576.

The previous prime is 12656600279. The next prime is 12656600353. The reversal of 12656600340 is 4300665621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44319 + ... + 165158.

It is an arithmetic number, because the mean of its divisors is an integer number (395913420).

Almost surely, 2^12656600340 is an apocalyptic number.

12656600340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12656600340 is an abundant number, since it is smaller than the sum of its proper divisors (25351087980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12656600340 is a wasteful number, since it uses less digits than its factorization.

12656600340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209561 (or 209559 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 12656600340 in words is "twelve billion, six hundred fifty-six million, six hundred thousand, three hundred forty".