12202021122 has 64 divisors (see below), whose sum is σ = 25925944320. Its totient is φ = 3817813824.

The previous prime is 12202021081. The next prime is 12202021127. The reversal of 12202021122 is 22112020221.

It is not an unprimeable number, because it can be changed into a prime (12202021127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6842643 + ... + 6844425.

It is an arithmetic number, because the mean of its divisors is an integer number (405092880).

Almost surely, 2^12202021122 is an apocalyptic number.

12202021122 is an abundant number, since it is smaller than the sum of its proper divisors (13723923198).

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

12202021122 is a wasteful number, since it uses less digits than its factorization.

12202021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12202021122 its reverse (22112020221), we get a palindrome (34314041343).

Subtracting 12202021122 from its reverse (22112020221), we obtain a palindrome (9909999099).

The spelling of 12202021122 in words is "twelve billion, two hundred two million, twenty-one thousand, one hundred twenty-two".