131212333134224 has 10 divisors (see below), whose sum is σ = 254223895447590. Its totient is φ = 65606166567104.

The previous prime is 131212333134203. The next prime is 131212333134293. The reversal of 131212333134224 is 422431333212131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 131081890810000 + 130442324224 = 11449100^2 + 361168^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4100385410429 + ... + 4100385410460.

It is an arithmetic number, because the mean of its divisors is an integer number (25422389544759).

Almost surely, 2^{131212333134224} is an apocalyptic number.

It is an amenable number.

131212333134224 is a deficient number, since it is larger than the sum of its proper divisors (123011562313366).

131212333134224 is an equidigital number, since it uses as much as digits as its factorization.

131212333134224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8200770820897 (or 8200770820891 counting only the distinct ones).

The product of its digits is 62208, while the sum is 35.

Adding to 131212333134224 its reverse (422431333212131), we get a palindrome (553643666346355).

The spelling of 131212333134224 in words is "one hundred thirty-one trillion, two hundred twelve billion, three hundred thirty-three million, one hundred thirty-four thousand, two hundred twenty-four".