12445764780 has 24 divisors (see below), whose sum is σ = 34848141552. Its totient is φ = 3318870592.

The previous prime is 12445764757. The next prime is 12445764811. The reversal of 12445764780 is 8746754421.

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, 103714647 + ... + 103714766.

It is an arithmetic number, because the mean of its divisors is an integer number (1452005898).

Almost surely, 2^12445764780 is an apocalyptic number.

12445764780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12445764780 is an abundant number, since it is smaller than the sum of its proper divisors (22402376772).

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

12445764780 is a wasteful number, since it uses less digits than its factorization.

12445764780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207429425 (or 207429423 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 12445764780 in words is "twelve billion, four hundred forty-five million, seven hundred sixty-four thousand, seven hundred eighty".