2120210001200 has 60 divisors (see below), whose sum is σ = 5096362291848. Its totient is φ = 847658150400.

The previous prime is 2120210001157. The next prime is 2120210001229. The reversal of 2120210001200 is 21000120212.

It is a happy 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, 532586 + ... + 2126985.

Almost surely, 2^{2120210001200} is an apocalyptic number.

2120210001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120210001200 is an abundant number, since it is smaller than the sum of its proper divisors (2976152290648).

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

2120210001200 is a wasteful number, since it uses less digits than its factorization.

2120210001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661582 (or 2661571 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2120210001200 its reverse (21000120212), we get a palindrome (2141210121412).

The spelling of 2120210001200 in words is "two trillion, one hundred twenty billion, two hundred ten million, one thousand, two hundred".