1313552123122 has 8 divisors (see below), whose sum is σ = 1970449731036. Its totient is φ = 656735546112.

The previous prime is 1313552123087. The next prime is 1313552123129. The reversal of 1313552123122 is 2213212553131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1297847271361 + 15704851761 = 1139231^2 + 125319^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1313552123129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20217183 + ... + 20282050.

Almost surely, 2^{1313552123122} is an apocalyptic number.

1313552123122 is a deficient number, since it is larger than the sum of its proper divisors (656897607914).

1313552123122 is a wasteful number, since it uses less digits than its factorization.

1313552123122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40515452.

The product of its digits is 10800, while the sum is 31.

Adding to 1313552123122 its reverse (2213212553131), we get a palindrome (3526764676253).

The spelling of 1313552123122 in words is "one trillion, three hundred thirteen billion, five hundred fifty-two million, one hundred twenty-three thousand, one hundred twenty-two".