12122333031 has 32 divisors (see below), whose sum is σ = 17081128960. Its totient is φ = 7636809600.

The previous prime is 12122332993. The next prime is 12122333063. The reversal of 12122333031 is 13033322121.

It is not a de Polignac number, because 12122333031 - 2⁶ = 12122332967 is a prime.

It is a super-2 number, since 2×12122333031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12122332989 and 12122333007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122333231) 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, 780861 + ... + 796233.

It is an arithmetic number, because the mean of its divisors is an integer number (533785280).

Almost surely, 2^12122333031 is an apocalyptic number.

12122333031 is a deficient number, since it is larger than the sum of its proper divisors (4958795929).

12122333031 is a wasteful number, since it uses less digits than its factorization.

12122333031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15607.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12122333031 its reverse (13033322121), we get a palindrome (25155655152).

The spelling of 12122333031 in words is "twelve billion, one hundred twenty-two million, three hundred thirty-three thousand, thirty-one".