12461018351817 has 32 divisors (see below), whose sum is σ = 19003004179200. Its totient is φ = 7115038322688.

The previous prime is 12461018351773. The next prime is 12461018351839. The reversal of 12461018351817 is 71815381016421.

It is not a de Polignac number, because 12461018351817 - 2¹² = 12461018347721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12461018351917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432404593 + ... + 432433409.

It is an arithmetic number, because the mean of its divisors is an integer number (593843880600).

Almost surely, 2^{12461018351817} is an apocalyptic number.

It is an amenable number.

12461018351817 is a deficient number, since it is larger than the sum of its proper divisors (6541985827383).

12461018351817 is a wasteful number, since it uses less digits than its factorization.

12461018351817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44145.

The product of its (nonzero) digits is 322560, while the sum is 48.

The spelling of 12461018351817 in words is "twelve trillion, four hundred sixty-one billion, eighteen million, three hundred fifty-one thousand, eight hundred seventeen".