12200021122 has 8 divisors (see below), whose sum is σ = 18300655872. Its totient is φ = 6099802500.

The previous prime is 12200021111. The next prime is 12200021149. The reversal of 12200021122 is 22112000221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12200021122² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15754 + ... + 156997.

It is an arithmetic number, because the mean of its divisors is an integer number (2287581984).

Almost surely, 2^12200021122 is an apocalyptic number.

12200021122 is a deficient number, since it is larger than the sum of its proper divisors (6100634750).

12200021122 is a wasteful number, since it uses less digits than its factorization.

12200021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208064.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12200021122 its reverse (22112000221), we get a palindrome (34312021343).

The spelling of 12200021122 in words is "twelve billion, two hundred million, twenty-one thousand, one hundred twenty-two".