12460991929461 has 6 divisors (see below), whose sum is σ = 17999210564790. Its totient is φ = 8307327952968.

The previous prime is 12460991929459. The next prime is 12460991929493. The reversal of 12460991929461 is 16492919906421.

12460991929461 is a `hidden beast` number, since 1 + 2 + 4 + 60 + 9 + 91 + 9 + 29 + 461 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8047400198436 + 4413591731025 = 2836794^2 + 2100855^2 .

It is not a de Polignac number, because 12460991929461 - 2¹ = 12460991929459 is a prime.

It is a super-3 number, since 3×12460991929461³ (a number of 40 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12460991928461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 692277329406 + ... + 692277329423.

It is an arithmetic number, because the mean of its divisors is an integer number (2999868427465).

Almost surely, 2^{12460991929461} is an apocalyptic number.

It is an amenable number.

12460991929461 is a deficient number, since it is larger than the sum of its proper divisors (5538218635329).

12460991929461 is a wasteful number, since it uses less digits than its factorization.

12460991929461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384554658835 (or 1384554658832 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 63.

The spelling of 12460991929461 in words is "twelve trillion, four hundred sixty billion, nine hundred ninety-one million, nine hundred twenty-nine thousand, four hundred sixty-one".