12316100625261 has 24 divisors (see below), whose sum is σ = 18498723068280. Its totient is φ = 7886529294336.

The previous prime is 12316100625253. The next prime is 12316100625299. The reversal of 12316100625261 is 16252600161321.

12316100625261 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 6 + 1 + 0 + 0 + 625 + 26 + 1 = 666.

12316100625261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 580063501161 + 11736037124100 = 761619^2 + 3425790^2 .

It is not a de Polignac number, because 12316100625261 - 2³ = 12316100625253 is a prime.

It is a super-2 number, since 2×12316100625261² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12316100625221) 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, 122198656 + ... + 122299401.

It is an arithmetic number, because the mean of its divisors is an integer number (770780127845).

Almost surely, 2^{12316100625261} is an apocalyptic number.

It is an amenable number.

12316100625261 is a deficient number, since it is larger than the sum of its proper divisors (6182622443019).

12316100625261 is a wasteful number, since it uses less digits than its factorization.

12316100625261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244498285 (or 244498282 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 12316100625261 its reverse (16252600161321), we get a palindrome (28568700786582).

The spelling of 12316100625261 in words is "twelve trillion, three hundred sixteen billion, one hundred million, six hundred twenty-five thousand, two hundred sixty-one".