12045296277 has 18 divisors (see below), whose sum is σ = 20239376118. Its totient is φ = 6883026192.

The previous prime is 12045296269. The next prime is 12045296281. The reversal of 12045296277 is 77269254021.

12045296277 is a `hidden beast` number, since 12 + 0 + 4 + 5 + 2 + 9 + 627 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12021148881 + 24147396 = 109641^2 + 4914^2 .

It is not a de Polignac number, because 12045296277 - 2³ = 12045296269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12045296227) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13656358 + ... + 13657239.

Almost surely, 2^12045296277 is an apocalyptic number.

It is an amenable number.

12045296277 is a deficient number, since it is larger than the sum of its proper divisors (8194079841).

12045296277 is a wasteful number, since it uses less digits than its factorization.

12045296277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27313617 (or 27313607 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 12045296277 in words is "twelve billion, forty-five million, two hundred ninety-six thousand, two hundred seventy-seven".