12020122200 has 48 divisors (see below), whose sum is σ = 37262380680. Its totient is φ = 3205365760.

The previous prime is 12020122157. The next prime is 12020122223. The reversal of 12020122200 is 222102021.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10016169 + ... + 10017368.

Almost surely, 2^12020122200 is an apocalyptic number.

12020122200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020122200 is an abundant number, since it is smaller than the sum of its proper divisors (25242258480).

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

12020122200 is a wasteful number, since it uses less digits than its factorization.

12020122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20033556 (or 20033547 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12020122200 its reverse (222102021), we get a palindrome (12242224221).

The spelling of 12020122200 in words is "twelve billion, twenty million, one hundred twenty-two thousand, two hundred".