12278956722834 has 8 divisors (see below), whose sum is σ = 24557913445680. Its totient is φ = 4092985574276.

The previous prime is 12278956722727. The next prime is 12278956722847. The reversal of 12278956722834 is 43822765987221.

12278956722834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

12278956722834 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1023246393564 + ... + 1023246393575.

It is an arithmetic number, because the mean of its divisors is an integer number (3069739180710).

Almost surely, 2^{12278956722834} is an apocalyptic number.

12278956722834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12278956722834 is a wasteful number, since it uses less digits than its factorization.

12278956722834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046492787144.

The product of its digits is 162570240, while the sum is 66.

The spelling of 12278956722834 in words is "twelve trillion, two hundred seventy-eight billion, nine hundred fifty-six million, seven hundred twenty-two thousand, eight hundred thirty-four".