312130012222 has 32 divisors (see below), whose sum is σ = 536449075200. Its totient is φ = 133428009888.

The previous prime is 312130012217. The next prime is 312130012291. The reversal of 312130012222 is 222210031213.

It is a self number, because there is not a number n which added to its sum of digits gives 312130012222.

It is a congruent 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, 16010893 + ... + 16030375.

It is an arithmetic number, because the mean of its divisors is an integer number (16764033600).

Almost surely, 2^312130012222 is an apocalyptic number.

312130012222 is a deficient number, since it is larger than the sum of its proper divisors (224319062978).

312130012222 is a wasteful number, since it uses less digits than its factorization.

312130012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22360.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 312130012222 its reverse (222210031213), we get a palindrome (534340043435).

The spelling of 312130012222 in words is "three hundred twelve billion, one hundred thirty million, twelve thousand, two hundred twenty-two".