2131144012 has 12 divisors (see below), whose sum is σ = 3730336456. Its totient is φ = 1065333600.

The previous prime is 2131143977. The next prime is 2131144013. The reversal of 2131144012 is 2104411312.

It is a super-2 number, since 2×2131144012² = 9083549599766912288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2131144013) 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 3 ways as a sum of consecutive naturals, for example, 38673 + ... + 75880.

Almost surely, 2^2131144012 is an apocalyptic number.

It is an amenable number.

2131144012 is a deficient number, since it is larger than the sum of its proper divisors (1599192444).

2131144012 is a wasteful number, since it uses less digits than its factorization.

2131144012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119208 (or 119206 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2131144012 is about 46164.3153528784. The cubic root of 2131144012 is about 1286.8786607242.

Adding to 2131144012 its reverse (2104411312), we get a palindrome (4235555324).

The spelling of 2131144012 in words is "two billion, one hundred thirty-one million, one hundred forty-four thousand, twelve".