12220023200 has 144 divisors (see below), whose sum is σ = 37193494464. Its totient is φ = 3808819200.

The previous prime is 12220023191. The next prime is 12220023203. The reversal of 12220023200 is 232002221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (12220023203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37589 + ... + 160788.

It is an arithmetic number, because the mean of its divisors is an integer number (258288156).

Almost surely, 2^12220023200 is an apocalyptic number.

12220023200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220023200 is an abundant number, since it is smaller than the sum of its proper divisors (24973471264).

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

12220023200 is a wasteful number, since it uses less digits than its factorization.

12220023200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198415 (or 198402 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 12220023200 its reverse (232002221), we get a palindrome (12452025421).

The spelling of 12220023200 in words is "twelve billion, two hundred twenty million, twenty-three thousand, two hundred".