2130300021200 has 60 divisors (see below), whose sum is σ = 5511741645228. Its totient is φ = 786572313600.

The previous prime is 2130300021169. The next prime is 2130300021229. The reversal of 2130300021200 is 21200030312.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 413927530384 + 1716372490816 = 643372^2 + 1310104^2 .

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, 204831341 + ... + 204841740.

Almost surely, 2^{2130300021200} is an apocalyptic number.

2130300021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130300021200 is an abundant number, since it is smaller than the sum of its proper divisors (3381441624028).

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

2130300021200 is a wasteful number, since it uses less digits than its factorization.

2130300021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409673112 (or 409673101 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 2130300021200 its reverse (21200030312), we get a palindrome (2151500051512).

The spelling of 2130300021200 in words is "two trillion, one hundred thirty billion, three hundred million, twenty-one thousand, two hundred".