12278884133 has 2 divisors, whose sum is σ = 12278884134. Its totient is φ = 12278884132.

The previous prime is 12278884097. The next prime is 12278884153. The reversal of 12278884133 is 33148887221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8048422369 + 4230461764 = 89713^2 + 65042^2 .

It is a cyclic number.

It is not a de Polignac number, because 12278884133 - 2²⁶ = 12211775269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12278884153) 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 as a sum of consecutive naturals, namely, 6139442066 + 6139442067.

It is an arithmetic number, because the mean of its divisors is an integer number (6139442067).

Almost surely, 2^12278884133 is an apocalyptic number.

It is an amenable number.

12278884133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12278884133 is an equidigital number, since it uses as much as digits as its factorization.

12278884133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 516096, while the sum is 47.

The spelling of 12278884133 in words is "twelve billion, two hundred seventy-eight million, eight hundred eighty-four thousand, one hundred thirty-three".