12368533380 has 48 divisors (see below), whose sum is σ = 39579308160. Its totient is φ = 2827093248.

The previous prime is 12368533361. The next prime is 12368533409. The reversal of 12368533380 is 8333586321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14724025 + ... + 14724864.

It is an arithmetic number, because the mean of its divisors is an integer number (824568920).

Almost surely, 2^12368533380 is an apocalyptic number.

12368533380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12368533380 is an abundant number, since it is smaller than the sum of its proper divisors (27210774780).

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

12368533380 is a wasteful number, since it uses less digits than its factorization.

12368533380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29448908 (or 29448906 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 12368533380 in words is "twelve billion, three hundred sixty-eight million, five hundred thirty-three thousand, three hundred eighty".