23100121200 has 480 divisors, whose sum is σ = 84548810752. Its totient is φ = 5349888000.

The previous prime is 23100121157. The next prime is 23100121223. The reversal of 23100121200 is 212100132.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17892555 + ... + 17893845.

Almost surely, 2^23100121200 is an apocalyptic number.

23100121200 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 23100121200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42274405376).

23100121200 is an abundant number, since it is smaller than the sum of its proper divisors (61448689552).

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

23100121200 is a wasteful number, since it uses less digits than its factorization.

23100121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393 (or 1382 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 23100121200 its reverse (212100132), we get a palindrome (23312221332).

The spelling of 23100121200 in words is "twenty-three billion, one hundred million, one hundred twenty-one thousand, two hundred".