2162120700 has 36 divisors (see below), whose sum is σ = 6255736760. Its totient is φ = 576565440.

The previous prime is 2162120693. The next prime is 2162120729. The reversal of 2162120700 is 70212612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3603235 + ... + 3603834.

Almost surely, 2^2162120700 is an apocalyptic number.

2162120700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2162120700 is an abundant number, since it is smaller than the sum of its proper divisors (4093616060).

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

2162120700 is a wasteful number, since it uses less digits than its factorization.

2162120700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7207086 (or 7207079 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 2162120700 is about 46498.6096566338. The cubic root of 2162120700 is about 1293.0837228341.

The spelling of 2162120700 in words is "two billion, one hundred sixty-two million, one hundred twenty thousand, seven hundred".