12401001222 has 32 divisors (see below), whose sum is σ = 25289881344. Its totient is φ = 4052791200.

The previous prime is 12401001191. The next prime is 12401001229. The reversal of 12401001222 is 22210010421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401001229) 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 15 ways as a sum of consecutive naturals, for example, 59353 + ... + 168299.

It is an arithmetic number, because the mean of its divisors is an integer number (790308792).

Almost surely, 2^12401001222 is an apocalyptic number.

12401001222 is an abundant number, since it is smaller than the sum of its proper divisors (12888880122).

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

12401001222 is a wasteful number, since it uses less digits than its factorization.

12401001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109324.

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

Adding to 12401001222 its reverse (22210010421), we get a palindrome (34611011643).

The spelling of 12401001222 in words is "twelve billion, four hundred one million, one thousand, two hundred twenty-two".