12278965934 has 16 divisors (see below), whose sum is σ = 18874961280. Its totient is φ = 5987427840.

The previous prime is 12278965931. The next prime is 12278965939. The reversal of 12278965934 is 43956987221.

It is a self number, because there is not a number n which added to its sum of digits gives 12278965934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12278965931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195422 + ... + 250494.

It is an arithmetic number, because the mean of its divisors is an integer number (1179685080).

Almost surely, 2^12278965934 is an apocalyptic number.

12278965934 is a deficient number, since it is larger than the sum of its proper divisors (6595995346).

12278965934 is a wasteful number, since it uses less digits than its factorization.

12278965934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57835.

The product of its digits is 6531840, while the sum is 56.

The spelling of 12278965934 in words is "twelve billion, two hundred seventy-eight million, nine hundred sixty-five thousand, nine hundred thirty-four".