2162120512 has 28 divisors (see below), whose sum is σ = 4329833860. Its totient is φ = 1071138816.

The previous prime is 2162120501. The next prime is 2162120579. The reversal of 2162120512 is 2150212612.

It can be written as a sum of positive squares in 2 ways, for example, as 1315077696 + 847042816 = 36264^2 + 29104^2 .

It is a super-2 number, since 2×2162120512² = 9349530216822284288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147993 + ... + 161944.

Almost surely, 2^2162120512 is an apocalyptic number.

It is an amenable number.

2162120512 is an abundant number, since it is smaller than the sum of its proper divisors (2167713348).

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

2162120512 is a wasteful number, since it uses less digits than its factorization.

2162120512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310058 (or 310048 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 2162120512 is about 46498.6076350680. The cubic root of 2162120512 is about 1293.0836853555.

The spelling of 2162120512 in words is "two billion, one hundred sixty-two million, one hundred twenty thousand, five hundred twelve".