131243441224212 has 72 divisors (see below), whose sum is σ = 338654842710912. Its totient is φ = 42846007176000.

The previous prime is 131243441224183. The next prime is 131243441224249. The reversal of 131243441224212 is 212422144342131.

131243441224212 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 4 + 3 + 4 + 412 + 24 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169637883 + ... + 170409794.

It is an arithmetic number, because the mean of its divisors is an integer number (4703539482096).

Almost surely, 2^{131243441224212} is an apocalyptic number.

131243441224212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131243441224212 is an abundant number, since it is smaller than the sum of its proper divisors (207411401486700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131243441224212 is a wasteful number, since it uses less digits than its factorization.

131243441224212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340047909 (or 340047904 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

Adding to 131243441224212 its reverse (212422144342131), we get a palindrome (343665585566343).

The spelling of 131243441224212 in words is "one hundred thirty-one trillion, two hundred forty-three billion, four hundred forty-one million, two hundred twenty-four thousand, two hundred twelve".