12227604465 has 8 divisors (see below), whose sum is σ = 19564167168. Its totient is φ = 6521389040.

The previous prime is 12227604449. The next prime is 12227604479. The reversal of 12227604465 is 56440672221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12227604465 - 2⁴ = 12227604449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407586801 + ... + 407586830.

It is an arithmetic number, because the mean of its divisors is an integer number (2445520896).

Almost surely, 2^12227604465 is an apocalyptic number.

12227604465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12227604465 is a deficient number, since it is larger than the sum of its proper divisors (7336562703).

12227604465 is an equidigital number, since it uses as much as digits as its factorization.

12227604465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815173639.

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 12227604465 in words is "twelve billion, two hundred twenty-seven million, six hundred four thousand, four hundred sixty-five".