12312855368 has 32 divisors (see below), whose sum is σ = 25598272320. Its totient is φ = 5505000000.

The previous prime is 12312855367. The next prime is 12312855383. The reversal of 12312855368 is 86355821321.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (12312855367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1141508 + ... + 1152243.

It is an arithmetic number, because the mean of its divisors is an integer number (799946010).

Almost surely, 2^12312855368 is an apocalyptic number.

It is an amenable number.

12312855368 is an abundant number, since it is smaller than the sum of its proper divisors (13285416952).

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

12312855368 is a wasteful number, since it uses less digits than its factorization.

12312855368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293829 (or 2293825 counting only the distinct ones).

The product of its digits is 345600, while the sum is 44.

The spelling of 12312855368 in words is "twelve billion, three hundred twelve million, eight hundred fifty-five thousand, three hundred sixty-eight".