12651329277 has 8 divisors (see below), whose sum is σ = 18742710080. Its totient is φ = 8434219500.

The previous prime is 12651329261. The next prime is 12651329279. The reversal of 12651329277 is 77292315621.

It is a happy number.

12651329277 is a `hidden beast` number, since 1 + 2 + 6 + 51 + 329 + 277 = 666.

It is not a de Polignac number, because 12651329277 - 2⁴ = 12651329261 is a prime.

It is a super-2 number, since 2×12651329277² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12651329279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234283849 + ... + 234283902.

It is an arithmetic number, because the mean of its divisors is an integer number (2342838760).

Almost surely, 2^12651329277 is an apocalyptic number.

It is an amenable number.

12651329277 is a deficient number, since it is larger than the sum of its proper divisors (6091380803).

12651329277 is an equidigital number, since it uses as much as digits as its factorization.

12651329277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468567760 (or 468567754 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The spelling of 12651329277 in words is "twelve billion, six hundred fifty-one million, three hundred twenty-nine thousand, two hundred seventy-seven".