12461662105 has 8 divisors (see below), whose sum is σ = 14986435464. Its totient is φ = 9947702400.

The previous prime is 12461662097. The next prime is 12461662111. The reversal of 12461662105 is 50126616421.

It can be written as a sum of positive squares in 4 ways, for example, as 62394201 + 12399267904 = 7899^2 + 111352^2 .

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

It is not a de Polignac number, because 12461662105 - 2³ = 12461662097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2700876 + ... + 2705485.

It is an arithmetic number, because the mean of its divisors is an integer number (1873304433).

Almost surely, 2^12461662105 is an apocalyptic number.

It is an amenable number.

12461662105 is a deficient number, since it is larger than the sum of its proper divisors (2524773359).

12461662105 is an equidigital number, since it uses as much as digits as its factorization.

12461662105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5406827.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 12461662105 in words is "twelve billion, four hundred sixty-one million, six hundred sixty-two thousand, one hundred five".