12306438912 has 54 divisors (see below), whose sum is σ = 32761258572. Its totient is φ = 4101121536.

The previous prime is 12306438889. The next prime is 12306438923. The reversal of 12306438912 is 21983460321.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3072303 + ... + 3076305.

Almost surely, 2^12306438912 is an apocalyptic number.

12306438912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12306438912 is an abundant number, since it is smaller than the sum of its proper divisors (20454819660).

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

12306438912 is an frugal number, since it uses more digits than its factorization.

12306438912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8025 (or 4008 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

Multiplying 12306438912 by its product of nonzero digits (62208), we get a square (765558951837696 = 27668736²).

The spelling of 12306438912 in words is "twelve billion, three hundred six million, four hundred thirty-eight thousand, nine hundred twelve".