12940659612 has 72 divisors (see below), whose sum is σ = 34448960000. Its totient is φ = 4084600608.

The previous prime is 12940659569. The next prime is 12940659637. The reversal of 12940659612 is 21695604921.

12940659612 is a `hidden beast` number, since 1 + 2 + 9 + 40 + 6 + 596 + 12 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2390613 + ... + 2396019.

Almost surely, 2^12940659612 is an apocalyptic number.

12940659612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12940659612 is an abundant number, since it is smaller than the sum of its proper divisors (21508300388).

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

12940659612 is a wasteful number, since it uses less digits than its factorization.

12940659612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8935 (or 8930 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 12940659612 in words is "twelve billion, nine hundred forty million, six hundred fifty-nine thousand, six hundred twelve".