131131002220012 has 12 divisors (see below), whose sum is σ = 229542874440880. Its totient is φ = 65547323808336.

The previous prime is 131131002220003. The next prime is 131131002220027. The reversal of 131131002220012 is 210022200131131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4544309187 + ... + 4544338042.

Almost surely, 2^{131131002220012} is an apocalyptic number.

It is an amenable number.

131131002220012 is a deficient number, since it is larger than the sum of its proper divisors (98411872220868).

131131002220012 is a wasteful number, since it uses less digits than its factorization.

131131002220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9088650840 (or 9088650838 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 131131002220012 its reverse (210022200131131), we get a palindrome (341153202351143).

The spelling of 131131002220012 in words is "one hundred thirty-one trillion, one hundred thirty-one billion, two million, two hundred twenty thousand, twelve".