12278983189 has 8 divisors (see below), whose sum is σ = 13500730368. Its totient is φ = 11074815360.

The previous prime is 12278983127. The next prime is 12278983229. The reversal of 12278983189 is 98138987221.

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

It is a cyclic number.

It is not a de Polignac number, because 12278983189 - 2¹⁵ = 12278950421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12278983489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4393372 + ... + 4396165.

It is an arithmetic number, because the mean of its divisors is an integer number (1687591296).

Almost surely, 2^12278983189 is an apocalyptic number.

It is an amenable number.

12278983189 is a deficient number, since it is larger than the sum of its proper divisors (1221747179).

12278983189 is a wasteful number, since it uses less digits than its factorization.

12278983189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8789675.

The product of its digits is 3483648, while the sum is 58.

The spelling of 12278983189 in words is "twelve billion, two hundred seventy-eight million, nine hundred eighty-three thousand, one hundred eighty-nine".