12259777748674 has 8 divisors (see below), whose sum is σ = 18389682231228. Its totient is φ = 6129883671600.

The previous prime is 12259777748641. The next prime is 12259777748689. The reversal of 12259777748674 is 47684777795221.

It can be written as a sum of positive squares in 2 ways, for example, as 7421946705625 + 4837831043049 = 2724325^2 + 2199507^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12259777748674.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1906384 + ... + 5306020.

Almost surely, 2^{12259777748674} is an apocalyptic number.

12259777748674 is a deficient number, since it is larger than the sum of its proper divisors (6129904482554).

12259777748674 is a wasteful number, since it uses less digits than its factorization.

12259777748674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202740.

The product of its digits is 2323399680, while the sum is 76.

The spelling of 12259777748674 in words is "twelve trillion, two hundred fifty-nine billion, seven hundred seventy-seven million, seven hundred forty-eight thousand, six hundred seventy-four".