12461125665424 has 10 divisors (see below), whose sum is σ = 24143430976790. Its totient is φ = 6230562832704.

The previous prime is 12461125665353. The next prime is 12461125665449. The reversal of 12461125665424 is 42456652116421.

It can be written as a sum of positive squares in only one way, i.e., 11344367059600 + 1116758605824 = 3368140^2 + 1056768^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389410177029 + ... + 389410177060.

It is an arithmetic number, because the mean of its divisors is an integer number (2414343097679).

Almost surely, 2^{12461125665424} is an apocalyptic number.

It is an amenable number.

12461125665424 is a deficient number, since it is larger than the sum of its proper divisors (11682305311366).

12461125665424 is an equidigital number, since it uses as much as digits as its factorization.

12461125665424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778820354097 (or 778820354091 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 49.

The spelling of 12461125665424 in words is "twelve trillion, four hundred sixty-one billion, one hundred twenty-five million, six hundred sixty-five thousand, four hundred twenty-four".