2123210031300 has 216 divisors, whose sum is σ = 6950804078400. Its totient is φ = 541549359360.

The previous prime is 2123210031287. The next prime is 2123210031323. The reversal of 2123210031300 is 31300123212.

2123210031300 is a `hidden beast` number, since 2 + 1 + 232 + 100 + 31 + 300 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1424361 + ... + 2505039.

Almost surely, 2^{2123210031300} is an apocalyptic number.

2123210031300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123210031300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3475402039200).

2123210031300 is an abundant number, since it is smaller than the sum of its proper divisors (4827594047100).

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

2123210031300 is a wasteful number, since it uses less digits than its factorization.

2123210031300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080795 (or 1080785 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2123210031300 its reverse (31300123212), we get a palindrome (2154510154512).

The spelling of 2123210031300 in words is "two trillion, one hundred twenty-three billion, two hundred ten million, thirty-one thousand, three hundred".