12045766225 has 12 divisors (see below), whose sum is σ = 14939133616. Its totient is φ = 9635075280.

The previous prime is 12045766199. The next prime is 12045766259. The reversal of 12045766225 is 52266754021.

It is not a de Polignac number, because 12045766225 - 2¹³ = 12045758033 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137074 + ... + 207076.

Almost surely, 2^12045766225 is an apocalyptic number.

It is an amenable number.

12045766225 is a deficient number, since it is larger than the sum of its proper divisors (2893367391).

12045766225 is an equidigital number, since it uses as much as digits as its factorization.

12045766225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76896 (or 76891 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 12045766225 in words is "twelve billion, forty-five million, seven hundred sixty-six thousand, two hundred twenty-five".