12223312001 has 16 divisors (see below), whose sum is σ = 13296467520. Its totient is φ = 11191134720.

The previous prime is 12223311973. The next prime is 12223312007. The reversal of 12223312001 is 10021332221.

It is a cyclic number.

It is not a de Polignac number, because 12223312001 - 2⁶ = 12223311937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12223312007) 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, 216590 + ... + 267128.

It is an arithmetic number, because the mean of its divisors is an integer number (831029220).

Almost surely, 2^12223312001 is an apocalyptic number.

It is an amenable number.

12223312001 is a deficient number, since it is larger than the sum of its proper divisors (1073155519).

12223312001 is a wasteful number, since it uses less digits than its factorization.

12223312001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50944.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12223312001 its reverse (10021332221), we get a palindrome (22244644222).

The spelling of 12223312001 in words is "twelve billion, two hundred twenty-three million, three hundred twelve thousand, one".