2118232912 has 40 divisors (see below), whose sum is σ = 4384011816. Its totient is φ = 987979776.

The previous prime is 2118232901. The next prime is 2118232937. The reversal of 2118232912 is 2192328112.

It can be written as a sum of positive squares in 4 ways, for example, as 39237696 + 2078995216 = 6264^2 + 45596^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3723 + ... + 65194.

Almost surely, 2^2118232912 is an apocalyptic number.

It is an amenable number.

2118232912 is an abundant number, since it is smaller than the sum of its proper divisors (2265778904).

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

2118232912 is a wasteful number, since it uses less digits than its factorization.

2118232912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69055 (or 69049 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 2118232912 is about 46024.2643830404. The cubic root of 2118232912 is about 1284.2746312658.

The spelling of 2118232912 in words is "two billion, one hundred eighteen million, two hundred thirty-two thousand, nine hundred twelve".