2118620228512 has 48 divisors (see below), whose sum is σ = 4285542348360. Its totient is φ = 1030252290048.

The previous prime is 2118620228509. The next prime is 2118620228537. The reversal of 2118620228512 is 2158220268112.

It can be written as a sum of positive squares in 4 ways, for example, as 1618380888336 + 500239340176 = 1272156^2 + 707276^2 .

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, 2491564 + ... + 3231892.

Almost surely, 2^{2118620228512} is an apocalyptic number.

It is an amenable number.

2118620228512 is an abundant number, since it is smaller than the sum of its proper divisors (2166922119848).

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

2118620228512 is a wasteful number, since it uses less digits than its factorization.

2118620228512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742793 (or 742785 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The spelling of 2118620228512 in words is "two trillion, one hundred eighteen billion, six hundred twenty million, two hundred twenty-eight thousand, five hundred twelve".