12220022200 has 48 divisors (see below), whose sum is σ = 28530540000. Its totient is φ = 4867537920.

The previous prime is 12220022183. The next prime is 12220022203. The reversal of 12220022200 is 222002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220022203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80025 + ... + 175624.

It is an arithmetic number, because the mean of its divisors is an integer number (594386250).

Almost surely, 2^12220022200 is an apocalyptic number.

12220022200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220022200 is an abundant number, since it is smaller than the sum of its proper divisors (16310517800).

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

12220022200 is a wasteful number, since it uses less digits than its factorization.

12220022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255904 (or 255895 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 12220022200 its reverse (222002221), we get a palindrome (12442024421).

It can be divided in two parts, 122200 and 22200, that added together give a square (144400 = 380²).

The spelling of 12220022200 in words is "twelve billion, two hundred twenty million, twenty-two thousand, two hundred".