23212102200 has 96 divisors (see below), whose sum is σ = 82237176960. Its totient is φ = 5305622400.

The previous prime is 23212102187. The next prime is 23212102247. The reversal of 23212102200 is 220121232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23212102200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2759146 + ... + 2767545.

It is an arithmetic number, because the mean of its divisors is an integer number (856637260).

Almost surely, 2^23212102200 is an apocalyptic number.

23212102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23212102200 is an abundant number, since it is smaller than the sum of its proper divisors (59025074760).

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

23212102200 is a wasteful number, since it uses less digits than its factorization.

23212102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5526717 (or 5526708 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 23212102200 its reverse (220121232), we get a palindrome (23432223432).

The spelling of 23212102200 in words is "twenty-three billion, two hundred twelve million, one hundred two thousand, two hundred".