12313122222 has 16 divisors (see below), whose sum is σ = 24676405632. Its totient is φ = 4096013880.

The previous prime is 12313122193. The next prime is 12313122271. The reversal of 12313122222 is 22222131321.

It is a super-2 number, since 2×12313122222² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2086858 + ... + 2092749.

It is an arithmetic number, because the mean of its divisors is an integer number (1542275352).

Almost surely, 2^12313122222 is an apocalyptic number.

12313122222 is an abundant number, since it is smaller than the sum of its proper divisors (12363283410).

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

12313122222 is a wasteful number, since it uses less digits than its factorization.

12313122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180103.

The product of its digits is 576, while the sum is 21.

Adding to 12313122222 its reverse (22222131321), we get a palindrome (34535253543).

Subtracting 12313122222 from its reverse (22222131321), we obtain a palindrome (9909009099).

The spelling of 12313122222 in words is "twelve billion, three hundred thirteen million, one hundred twenty-two thousand, two hundred twenty-two".