12401401222 has 32 divisors (see below), whose sum is σ = 22038283008. Its totient is φ = 5122888416.

The previous prime is 12401401189. The next prime is 12401401267. The reversal of 12401401222 is 22210410421.

It is a self number, because there is not a number n which added to its sum of digits gives 12401401222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56448 + ... + 167299.

It is an arithmetic number, because the mean of its divisors is an integer number (688696344).

Almost surely, 2^12401401222 is an apocalyptic number.

12401401222 is a deficient number, since it is larger than the sum of its proper divisors (9636881786).

12401401222 is a wasteful number, since it uses less digits than its factorization.

12401401222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223900.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12401401222 its reverse (22210410421), we get a palindrome (34611811643).

The spelling of 12401401222 in words is "twelve billion, four hundred one million, four hundred one thousand, two hundred twenty-two".