2012440131 has 24 divisors (see below), whose sum is σ = 3266573856. Its totient is φ = 1184578560.

The previous prime is 2012440099. The next prime is 2012440147. The reversal of 2012440131 is 1310442102.

It is not a de Polignac number, because 2012440131 - 2⁵ = 2012440099 is a prime.

It is a super-2 number, since 2×2012440131² = 8099830561718594322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2012440151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371230 + ... + 376611.

It is an arithmetic number, because the mean of its divisors is an integer number (136107244).

Almost surely, 2^2012440131 is an apocalyptic number.

2012440131 is a deficient number, since it is larger than the sum of its proper divisors (1254133725).

2012440131 is a wasteful number, since it uses less digits than its factorization.

2012440131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747883 (or 747880 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2012440131 is about 44860.2288335670. The cubic root of 2012440131 is about 1262.5279162013.

Adding to 2012440131 its reverse (1310442102), we get a palindrome (3322882233).

The spelling of 2012440131 in words is "two billion, twelve million, four hundred forty thousand, one hundred thirty-one".