1042312113522 has 48 divisors (see below), whose sum is σ = 2473641345240. Its totient is φ = 315724018176.

The previous prime is 1042312113497. The next prime is 1042312113527. The reversal of 1042312113522 is 2253112132401.

It is a happy number.

1042312113522 is a `hidden beast` number, since 1 + 0 + 4 + 2 + 3 + 121 + 13 + 522 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 700483628601 + 341828484921 = 836949^2 + 584661^2 .

It is not an unprimeable number, because it can be changed into a prime (1042312113527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58719553 + ... + 58737300.

Almost surely, 2^{1042312113522} is an apocalyptic number.

1042312113522 is an abundant number, since it is smaller than the sum of its proper divisors (1431329231718).

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

1042312113522 is a wasteful number, since it uses less digits than its factorization.

1042312113522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117456907 (or 117456904 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 1042312113522 its reverse (2253112132401), we get a palindrome (3295424245923).

The spelling of 1042312113522 in words is "one trillion, forty-two billion, three hundred twelve million, one hundred thirteen thousand, five hundred twenty-two".