12200021322 has 32 divisors (see below), whose sum is σ = 25078993152. Its totient is φ = 3953686464.

The previous prime is 12200021297. The next prime is 12200021329. The reversal of 12200021322 is 22312000221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12200021329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273888 + ... + 315300.

It is an arithmetic number, because the mean of its divisors is an integer number (783718536).

Almost surely, 2^12200021322 is an apocalyptic number.

12200021322 is an abundant number, since it is smaller than the sum of its proper divisors (12878971830).

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

12200021322 is a wasteful number, since it uses less digits than its factorization.

12200021322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42782.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12200021322 its reverse (22312000221), we get a palindrome (34512021543).

The spelling of 12200021322 in words is "twelve billion, two hundred million, twenty-one thousand, three hundred twenty-two".