131012224204242 has 128 divisors (see below), whose sum is σ = 282584793415680. Its totient is φ = 40374706014720.

The previous prime is 131012224204237. The next prime is 131012224204297. The reversal of 131012224204242 is 242402422210131.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16747052743 + ... + 16747060565.

It is an arithmetic number, because the mean of its divisors is an integer number (2207693698560).

Almost surely, 2^{131012224204242} is an apocalyptic number.

131012224204242 is an abundant number, since it is smaller than the sum of its proper divisors (151572569211438).

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

131012224204242 is a wasteful number, since it uses less digits than its factorization.

131012224204242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12208.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 131012224204242 its reverse (242402422210131), we get a palindrome (373414646414373).

The spelling of 131012224204242 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-four million, two hundred four thousand, two hundred forty-two".