12279680550278 has 4 divisors (see below), whose sum is σ = 18419520825420. Its totient is φ = 6139840275138.

The previous prime is 12279680550233. The next prime is 12279680550367. The reversal of 12279680550278 is 87205508697221.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×12279680550278³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12279680550278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3069920137568 + ... + 3069920137571.

It is an arithmetic number, because the mean of its divisors is an integer number (4604880206355).

Almost surely, 2^{12279680550278} is an apocalyptic number.

12279680550278 is a deficient number, since it is larger than the sum of its proper divisors (6139840275142).

12279680550278 is an equidigital number, since it uses as much as digits as its factorization.

12279680550278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6139840275141.

The product of its (nonzero) digits is 33868800, while the sum is 62.

The spelling of 12279680550278 in words is "twelve trillion, two hundred seventy-nine billion, six hundred eighty million, five hundred fifty thousand, two hundred seventy-eight".