12427479202184 has 8 divisors (see below), whose sum is σ = 23301523504110. Its totient is φ = 6213739601088.

The previous prime is 12427479202133. The next prime is 12427479202213. The reversal of 12427479202184 is 48120297472421.

It can be written as a sum of positive squares in only one way, i.e., 11792891710084 + 634587492100 = 3434078^2 + 796610^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776717450129 + ... + 776717450144.

Almost surely, 2^{12427479202184} is an apocalyptic number.

It is an amenable number.

12427479202184 is a deficient number, since it is larger than the sum of its proper divisors (10874044301926).

12427479202184 is a wasteful number, since it uses less digits than its factorization.

12427479202184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553434900279 (or 1553434900275 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 53.

The spelling of 12427479202184 in words is "twelve trillion, four hundred twenty-seven billion, four hundred seventy-nine million, two hundred two thousand, one hundred eighty-four".