12232221307 has 16 divisors (see below), whose sum is σ = 12821497920. Its totient is φ = 11647861632.

The previous prime is 12232221247. The next prime is 12232221317. The reversal of 12232221307 is 70312223221.

It is a cyclic number.

It is not a de Polignac number, because 12232221307 - 2¹⁵ = 12232188539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12232221317) 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, 6836569 + ... + 6838357.

It is an arithmetic number, because the mean of its divisors is an integer number (801343620).

Almost surely, 2^12232221307 is an apocalyptic number.

12232221307 is a deficient number, since it is larger than the sum of its proper divisors (589276613).

12232221307 is a wasteful number, since it uses less digits than its factorization.

12232221307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 12232221307 its reverse (70312223221), we get a palindrome (82544444528).

The spelling of 12232221307 in words is "twelve billion, two hundred thirty-two million, two hundred twenty-one thousand, three hundred seven".