12273427969 has 12 divisors (see below), whose sum is σ = 14077179648. Its totient is φ = 10672543640.

The previous prime is 12273427939. The next prime is 12273427981. The reversal of 12273427969 is 96972437221.

It is not a de Polignac number, because 12273427969 - 2⁷ = 12273427841 is a prime.

It is a super-2 number, since 2×12273427969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12273427939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2202289 + ... + 2207854.

It is an arithmetic number, because the mean of its divisors is an integer number (1173098304).

Almost surely, 2^12273427969 is an apocalyptic number.

It is an amenable number.

12273427969 is a deficient number, since it is larger than the sum of its proper divisors (1803751679).

12273427969 is a wasteful number, since it uses less digits than its factorization.

12273427969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410188 (or 4410177 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 52.

The spelling of 12273427969 in words is "twelve billion, two hundred seventy-three million, four hundred twenty-seven thousand, nine hundred sixty-nine".