12456230776 has 48 divisors (see below), whose sum is σ = 26499856320. Its totient is φ = 5479267200.

The previous prime is 12456230749. The next prime is 12456230783. The reversal of 12456230776 is 67703265421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177541 + ... + 237556.

It is an arithmetic number, because the mean of its divisors is an integer number (552080340).

Almost surely, 2^12456230776 is an apocalyptic number.

It is an amenable number.

12456230776 is an abundant number, since it is smaller than the sum of its proper divisors (14043625544).

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

12456230776 is a wasteful number, since it uses less digits than its factorization.

12456230776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415156 (or 415141 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 12456230776 in words is "twelve billion, four hundred fifty-six million, two hundred thirty thousand, seven hundred seventy-six".