2012230312131 has 16 divisors (see below), whose sum is σ = 2895100621056. Its totient is φ = 1235833744416.

The previous prime is 2012230312111. The next prime is 2012230312193. The reversal of 2012230312131 is 1312130322102.

It is a de Polignac number, because none of the positive numbers 2^k-2012230312131 is a prime.

It is a super-2 number, since 2×2012230312131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2012230312098 and 2012230312107.

It is not an unprimeable number, because it can be changed into a prime (2012230312111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51268305 + ... + 51307538.

It is an arithmetic number, because the mean of its divisors is an integer number (180943788816).

Almost surely, 2^{2012230312131} is an apocalyptic number.

2012230312131 is a deficient number, since it is larger than the sum of its proper divisors (882870308925).

2012230312131 is a wasteful number, since it uses less digits than its factorization.

2012230312131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102576362.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2012230312131 its reverse (1312130322102), we get a palindrome (3324360634233).

The spelling of 2012230312131 in words is "two trillion, twelve billion, two hundred thirty million, three hundred twelve thousand, one hundred thirty-one".