131996212 has 12 divisors (see below), whose sum is σ = 232680420. Its totient is φ = 65516096.

The previous prime is 131996209. The next prime is 131996219. The reversal of 131996212 is 212699131.

It can be written as a sum of positive squares in 2 ways, for example, as 49477156 + 82519056 = 7034^2 + 9084^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131996219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119887 + ... + 120982.

It is an arithmetic number, because the mean of its divisors is an integer number (19390035).

Almost surely, 2^131996212 is an apocalyptic number.

It is an amenable number.

131996212 is a deficient number, since it is larger than the sum of its proper divisors (100684208).

131996212 is a wasteful number, since it uses less digits than its factorization.

131996212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241010 (or 241008 counting only the distinct ones).

The product of its digits is 5832, while the sum is 34.

The square root of 131996212 is about 11488.9604403532. The cubic root of 131996212 is about 509.1594664282.

The spelling of 131996212 in words is "one hundred thirty-one million, nine hundred ninety-six thousand, two hundred twelve".