131012221402204 has 6 divisors (see below), whose sum is σ = 229271387453864. Its totient is φ = 65506110701100.

The previous prime is 131012221402177. The next prime is 131012221402229. The reversal of 131012221402204 is 402204122210131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16376527675272 + ... + 16376527675279.

Almost surely, 2^{131012221402204} is an apocalyptic number.

It is an amenable number.

131012221402204 is a deficient number, since it is larger than the sum of its proper divisors (98259166051660).

131012221402204 is a wasteful number, since it uses less digits than its factorization.

131012221402204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32753055350555 (or 32753055350553 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 131012221402204 its reverse (402204122210131), we get a palindrome (533216343612335).

The spelling of 131012221402204 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-one million, four hundred two thousand, two hundred four".