12225965545 has 16 divisors (see below), whose sum is σ = 14942905920. Its totient is φ = 9600121024.

The previous prime is 12225965527. The next prime is 12225965623. The reversal of 12225965545 is 54556952221.

It is a cyclic number.

It is not a de Polignac number, because 12225965545 - 2⁷ = 12225965417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12225965495 and 12225965504.

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, 160902 + ... + 224368.

It is an arithmetic number, because the mean of its divisors is an integer number (933931620).

Almost surely, 2^12225965545 is an apocalyptic number.

It is an amenable number.

12225965545 is a deficient number, since it is larger than the sum of its proper divisors (2716940375).

12225965545 is an equidigital number, since it uses as much as digits as its factorization.

12225965545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64184.

The product of its digits is 1080000, while the sum is 46.

The spelling of 12225965545 in words is "twelve billion, two hundred twenty-five million, nine hundred sixty-five thousand, five hundred forty-five".