2123203221300 has 144 divisors (see below), whose sum is σ = 7183998305792. Its totient is φ = 474017443200.

The previous prime is 2123203221289. The next prime is 2123203221311. The reversal of 2123203221300 is 31223023212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2123203221289) and next prime (2123203221311).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11666086 + ... + 11846685.

Almost surely, 2^{2123203221300} is an apocalyptic number.

2123203221300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123203221300 is an abundant number, since it is smaller than the sum of its proper divisors (5060795084492).

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

2123203221300 is a wasteful number, since it uses less digits than its factorization.

2123203221300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23512838 (or 23512831 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2123203221300 its reverse (31223023212), we get a palindrome (2154426244512).

The spelling of 2123203221300 in words is "two trillion, one hundred twenty-three billion, two hundred three million, two hundred twenty-one thousand, three hundred".