12190131 has 12 divisors (see below), whose sum is σ = 18084352. Its totient is φ = 7906896.

The previous prime is 12190117. The next prime is 12190133. The reversal of 12190131 is 13109121.

It is not a de Polignac number, because 12190131 - 2⁶ = 12190067 is a prime.

It is a super-2 number, since 2×12190131² = 297198587594322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12190133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17971 + ... + 18636.

Almost surely, 2^12190131 is an apocalyptic number.

12190131 is a deficient number, since it is larger than the sum of its proper divisors (5894221).

12190131 is a wasteful number, since it uses less digits than its factorization.

12190131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36650 (or 36647 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 12190131 is about 3491.4368102545. The cubic root of 12190131 is about 230.1456607256.

Adding to 12190131 its reverse (13109121), we get a palindrome (25299252).

It can be divided in two parts, 12190 and 131, that added together give a palindrome (12321).

The spelling of 12190131 in words is "twelve million, one hundred ninety thousand, one hundred thirty-one".