12122032131 has 16 divisors (see below), whose sum is σ = 19591163520. Its totient is φ = 7346685960.

The previous prime is 12122032127. The next prime is 12122032187. The reversal of 12122032131 is 13123022121.

12122032131 is a `hidden beast` number, since 121 + 220 + 321 + 3 + 1 = 666.

It is not a de Polignac number, because 12122032131 - 2² = 12122032127 is a prime.

It is a super-2 number, since 2×12122032131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12122032031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20407165 + ... + 20407758.

It is an arithmetic number, because the mean of its divisors is an integer number (1224447720).

Almost surely, 2^12122032131 is an apocalyptic number.

12122032131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12122032131 is a deficient number, since it is larger than the sum of its proper divisors (7469131389).

12122032131 is a wasteful number, since it uses less digits than its factorization.

12122032131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40814943 (or 40814937 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12122032131 its reverse (13123022121), we get a palindrome (25245054252).

It can be divided in two parts, 121220 and 32131, that added together give a palindrome (153351).

The spelling of 12122032131 in words is "twelve billion, one hundred twenty-two million, thirty-two thousand, one hundred thirty-one".