131045253512122 has 4 divisors (see below), whose sum is σ = 196567880268186. Its totient is φ = 65522626756060.

The previous prime is 131045253512111. The next prime is 131045253512123. The reversal of 131045253512122 is 221215352540131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 85416430894201 + 45628822617921 = 9242101^2 + 6754911^2 .

It is not an unprimeable number, because it can be changed into a prime (131045253512123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32761313378029 + ... + 32761313378032.

Almost surely, 2^{131045253512122} is an apocalyptic number.

131045253512122 is a deficient number, since it is larger than the sum of its proper divisors (65522626756064).

131045253512122 is an equidigital number, since it uses as much as digits as its factorization.

131045253512122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65522626756063.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 131045253512122 in words is "one hundred thirty-one trillion, forty-five billion, two hundred fifty-three million, five hundred twelve thousand, one hundred twenty-two".