12612257757 has 24 divisors (see below), whose sum is σ = 19877663520. Its totient is φ = 7642330080.

The previous prime is 12612257753. The next prime is 12612257771. The reversal of 12612257757 is 75775221621.

12612257757 is a `hidden beast` number, since 1 + 2 + 6 + 1 + 22 + 577 + 57 = 666.

It is not a de Polignac number, because 12612257757 - 2² = 12612257753 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12612257753) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 742918 + ... + 759704.

It is an arithmetic number, because the mean of its divisors is an integer number (828235980).

Almost surely, 2^12612257757 is an apocalyptic number.

It is an amenable number.

12612257757 is a deficient number, since it is larger than the sum of its proper divisors (7265405763).

12612257757 is a wasteful number, since it uses less digits than its factorization.

12612257757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24393 (or 24390 counting only the distinct ones).

The product of its digits is 411600, while the sum is 45.

The spelling of 12612257757 in words is "twelve billion, six hundred twelve million, two hundred fifty-seven thousand, seven hundred fifty-seven".