131212040442324 has 24 divisors (see below), whose sum is σ = 307994729665728. Its totient is φ = 43475446533120.

The previous prime is 131212040442289. The next prime is 131212040442331. The reversal of 131212040442324 is 423244040212131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32737533037 + ... + 32737537044.

It is an arithmetic number, because the mean of its divisors is an integer number (12833113736072).

Almost surely, 2^{131212040442324} is an apocalyptic number.

It is an amenable number.

131212040442324 is an abundant number, since it is smaller than the sum of its proper divisors (176782689223404).

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

131212040442324 is a wasteful number, since it uses less digits than its factorization.

131212040442324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65475070255 (or 65475070253 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 131212040442324 its reverse (423244040212131), we get a palindrome (554456080654455).

The spelling of 131212040442324 in words is "one hundred thirty-one trillion, two hundred twelve billion, forty million, four hundred forty-two thousand, three hundred twenty-four".