12225965623 has 2 divisors, whose sum is σ = 12225965624. Its totient is φ = 12225965622.

The previous prime is 12225965527. The next prime is 12225965639. The reversal of 12225965623 is 32656952221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12225965623 - 2³³ = 3636031031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12225965623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12225965683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6112982811 + 6112982812.

It is an arithmetic number, because the mean of its divisors is an integer number (6112982812).

Almost surely, 2^12225965623 is an apocalyptic number.

12225965623 is a deficient number, since it is larger than the sum of its proper divisors (1).

12225965623 is an equidigital number, since it uses as much as digits as its factorization.

12225965623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 43.

The spelling of 12225965623 in words is "twelve billion, two hundred twenty-five million, nine hundred sixty-five thousand, six hundred twenty-three".