12456140650 has 48 divisors (see below), whose sum is σ = 25047012960. Its totient is φ = 4592635200.

The previous prime is 12456140621. The next prime is 12456140663. The reversal of 12456140650 is 5604165421.

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, 142036 + ... + 212335.

It is an arithmetic number, because the mean of its divisors is an integer number (521812770).

Almost surely, 2^12456140650 is an apocalyptic number.

12456140650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12456140650 is an abundant number, since it is smaller than the sum of its proper divisors (12590872310).

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

12456140650 is a wasteful number, since it uses less digits than its factorization.

12456140650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354439 (or 354434 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 12456140650 in words is "twelve billion, four hundred fifty-six million, one hundred forty thousand, six hundred fifty".