131422012 has 12 divisors (see below), whose sum is σ = 242093320. Its totient is φ = 62252496.

The previous prime is 131422009. The next prime is 131422021. The reversal of 131422012 is 210224131.

131422012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 864543 + ... + 864694.

Almost surely, 2^131422012 is an apocalyptic number.

It is an amenable number.

131422012 is a deficient number, since it is larger than the sum of its proper divisors (110671308).

131422012 is a wasteful number, since it uses less digits than its factorization.

131422012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729260 (or 1729258 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 131422012 is about 11463.9439984675. The cubic root of 131422012 is about 508.4200908508.

Adding to 131422012 its reverse (210224131), we get a palindrome (341646143).

The spelling of 131422012 in words is "one hundred thirty-one million, four hundred twenty-two thousand, twelve".