12313022022 has 48 divisors (see below), whose sum is σ = 30499272960. Its totient is φ = 3516865776.

The previous prime is 12313022003. The next prime is 12313022041. The reversal of 12313022022 is 22022031321.

It is an interprime number because it is at equal distance from previous prime (12313022003) and next prime (12313022041).

It is a super-2 number, since 2×12313022022² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12313021986 and 12313022004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 422229 + ... + 450447.

It is an arithmetic number, because the mean of its divisors is an integer number (635401520).

Almost surely, 2^12313022022 is an apocalyptic number.

12313022022 is an abundant number, since it is smaller than the sum of its proper divisors (18186250938).

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

12313022022 is a wasteful number, since it uses less digits than its factorization.

12313022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31697 (or 31694 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12313022022 its reverse (22022031321), we get a palindrome (34335053343).

The spelling of 12313022022 in words is "twelve billion, three hundred thirteen million, twenty-two thousand, twenty-two".