12461494242 has 64 divisors (see below), whose sum is σ = 27303091200. Its totient is φ = 3776592960.

The previous prime is 12461494219. The next prime is 12461494259. The reversal of 12461494242 is 24249416421.

It is a self number, because there is not a number n which added to its sum of digits gives 12461494242.

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 31 ways as a sum of consecutive naturals, for example, 540817 + ... + 563387.

It is an arithmetic number, because the mean of its divisors is an integer number (426610800).

Almost surely, 2^12461494242 is an apocalyptic number.

12461494242 is an abundant number, since it is smaller than the sum of its proper divisors (14841596958).

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

12461494242 is a wasteful number, since it uses less digits than its factorization.

12461494242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22791.

The product of its digits is 110592, while the sum is 39.

The spelling of 12461494242 in words is "twelve billion, four hundred sixty-one million, four hundred ninety-four thousand, two hundred forty-two".