1118717923122 has 12 divisors (see below), whose sum is σ = 2423888833470. Its totient is φ = 372905974368.

The previous prime is 1118717923117. The next prime is 1118717923153. The reversal of 1118717923122 is 2213297178111.

It can be written as a sum of positive squares in only one way, i.e., 741904872921 + 376813050201 = 861339^2 + 613851^2 .

It is a super-2 number, since 2×1118717923122² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31075497847 + ... + 31075497882.

Almost surely, 2^{1118717923122} is an apocalyptic number.

1118717923122 is an abundant number, since it is smaller than the sum of its proper divisors (1305170910348).

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

1118717923122 is a wasteful number, since it uses less digits than its factorization.

1118717923122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62150995737 (or 62150995734 counting only the distinct ones).

The product of its digits is 84672, while the sum is 45.

The spelling of 1118717923122 in words is "one trillion, one hundred eighteen billion, seven hundred seventeen million, nine hundred twenty-three thousand, one hundred twenty-two".