12461125665426 has 8 divisors (see below), whose sum is σ = 24922251330864. Its totient is φ = 4153708555140.

The previous prime is 12461125665353. The next prime is 12461125665449. The reversal of 12461125665426 is 62456652116421.

It is a sphenic number, since it is the product of 3 distinct primes.

12461125665426 is an admirable number.

It is a super-2 number, since 2×12461125665426² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1038427138780 + ... + 1038427138791.

It is an arithmetic number, because the mean of its divisors is an integer number (3115281416358).

Almost surely, 2^{12461125665426} is an apocalyptic number.

12461125665426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12461125665426 is a wasteful number, since it uses less digits than its factorization.

12461125665426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076854277576.

The product of its digits is 4147200, while the sum is 51.

The spelling of 12461125665426 in words is "twelve trillion, four hundred sixty-one billion, one hundred twenty-five million, six hundred sixty-five thousand, four hundred twenty-six".