2212012131 has 32 divisors (see below), whose sum is σ = 3401395200. Its totient is φ = 1252534656.

The previous prime is 2212012123. The next prime is 2212012133. The reversal of 2212012131 is 1312102122.

It is not a de Polignac number, because 2212012131 - 2³ = 2212012123 is a prime.

It is a super-2 number, since 2×2212012131² = 9785995335382322322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2212012131.

It is not an unprimeable number, because it can be changed into a prime (2212012133) 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 31 ways as a sum of consecutive naturals, for example, 2493370 + ... + 2494256.

It is an arithmetic number, because the mean of its divisors is an integer number (106293600).

Almost surely, 2^2212012131 is an apocalyptic number.

2212012131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2212012131 is a deficient number, since it is larger than the sum of its proper divisors (1189383069).

2212012131 is a wasteful number, since it uses less digits than its factorization.

2212012131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2212012131 is about 47032.0330306909. The cubic root of 2212012131 is about 1302.9542539472.

Adding to 2212012131 its reverse (1312102122), we get a palindrome (3524114253).

The spelling of 2212012131 in words is "two billion, two hundred twelve million, twelve thousand, one hundred thirty-one".