12312312331302 has 40 divisors (see below), whose sum is σ = 28230297540456. Its totient is φ = 4008659826528.

The previous prime is 12312312331301. The next prime is 12312312331313. The reversal of 12312312331302 is 20313321321321.

12312312331302 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 23 + 1 + 2 + 331 + 302 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312312331301) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 883736383 + ... + 883750314.

Almost surely, 2^{12312312331302} is an apocalyptic number.

12312312331302 is an abundant number, since it is smaller than the sum of its proper divisors (15917985209154).

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

12312312331302 is a wasteful number, since it uses less digits than its factorization.

12312312331302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767486754 (or 1767486745 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 12312312331302 its reverse (20313321321321), we get a palindrome (32625633652623).

The spelling of 12312312331302 in words is "twelve trillion, three hundred twelve billion, three hundred twelve million, three hundred thirty-one thousand, three hundred two".