2120012102200 has 48 divisors (see below), whose sum is σ = 4940736239160. Its totient is φ = 845990544000.

The previous prime is 2120012102119. The next prime is 2120012102287. The reversal of 2120012102200 is 22012100212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12504946 + ... + 12673345.

Almost surely, 2^{2120012102200} is an apocalyptic number.

2120012102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120012102200 is an abundant number, since it is smaller than the sum of its proper divisors (2820724136960).

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

2120012102200 is a wasteful number, since it uses less digits than its factorization.

2120012102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25178728 (or 25178719 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2120012102200 its reverse (22012100212), we get a palindrome (2142024202412).

The spelling of 2120012102200 in words is "two trillion, one hundred twenty billion, twelve million, one hundred two thousand, two hundred".