131214212 has 12 divisors (see below), whose sum is σ = 237543180. Its totient is φ = 63344736.

The previous prime is 131214179. The next prime is 131214217. The reversal of 131214212 is 212412131.

It can be written as a sum of positive squares in 2 ways, for example, as 87310336 + 43903876 = 9344^2 + 6626^2 .

It is not an unprimeable number, because it can be changed into a prime (131214217) 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 3 ways as a sum of consecutive naturals, for example, 565463 + ... + 565694.

It is an arithmetic number, because the mean of its divisors is an integer number (19795265).

Almost surely, 2^131214212 is an apocalyptic number.

It is an amenable number.

131214212 is a deficient number, since it is larger than the sum of its proper divisors (106328968).

131214212 is a wasteful number, since it uses less digits than its factorization.

131214212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131190 (or 1131188 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 131214212 is about 11454.8772145318. The cubic root of 131214212 is about 508.1519839955.

Adding to 131214212 its reverse (212412131), we get a palindrome (343626343).

The spelling of 131214212 in words is "one hundred thirty-one million, two hundred fourteen thousand, two hundred twelve".