12210213888 has 88 divisors (see below), whose sum is σ = 36160828160. Its totient is φ = 4070062080.

The previous prime is 12210213881. The next prime is 12210213929. The reversal of 12210213888 is 88831201221.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210213881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193168 + ... + 248463.

Almost surely, 2^12210213888 is an apocalyptic number.

12210213888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12210213888 is an abundant number, since it is smaller than the sum of its proper divisors (23950614272).

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

12210213888 is an equidigital number, since it uses as much as digits as its factorization.

12210213888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441660 (or 441636 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The spelling of 12210213888 in words is "twelve billion, two hundred ten million, two hundred thirteen thousand, eight hundred eighty-eight".