12122316031 has 32 divisors (see below), whose sum is σ = 14462627328. Its totient is φ = 9944726400.

The previous prime is 12122315969. The next prime is 12122316053. The reversal of 12122316031 is 13061322121.

It is a happy number.

It is not a de Polignac number, because 12122316031 - 2⁹ = 12122315519 is a prime.

It is a super-2 number, since 2×12122316031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12122315993 and 12122316011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122316131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4262496 + ... + 4265338.

It is an arithmetic number, because the mean of its divisors is an integer number (451957104).

Almost surely, 2^12122316031 is an apocalyptic number.

12122316031 is a deficient number, since it is larger than the sum of its proper divisors (2340311297).

12122316031 is a wasteful number, since it uses less digits than its factorization.

12122316031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12122316031 its reverse (13061322121), we get a palindrome (25183638152).

The spelling of 12122316031 in words is "twelve billion, one hundred twenty-two million, three hundred sixteen thousand, thirty-one".