312203202312 has 64 divisors (see below), whose sum is σ = 787442261760. Its totient is φ = 103145140800.

The previous prime is 312203202299. The next prime is 312203202323. The reversal of 312203202312 is 213202302213.

It is a happy number.

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, 2488563 + ... + 2611005.

It is an arithmetic number, because the mean of its divisors is an integer number (12303785340).

Almost surely, 2^312203202312 is an apocalyptic number.

It is an amenable number.

312203202312 is an abundant number, since it is smaller than the sum of its proper divisors (475239059448).

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

312203202312 is a wasteful number, since it uses less digits than its factorization.

312203202312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123394 (or 123390 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 312203202312 its reverse (213202302213), we get a palindrome (525405504525).

Subtracting from 312203202312 its reverse (213202302213), we obtain a palindrome (99000900099).

The spelling of 312203202312 in words is "three hundred twelve billion, two hundred three million, two hundred two thousand, three hundred twelve".