12276635444 has 12 divisors (see below), whose sum is σ = 21705598404. Its totient is φ = 6075035904.

The previous prime is 12276635431. The next prime is 12276635461. The reversal of 12276635444 is 44453667221.

It can be written as a sum of positive squares in 2 ways, for example, as 4463843344 + 7812792100 = 66812^2 + 88390^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12276635395 and 12276635404.

It is a congruent 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, 15820019 + ... + 15820794.

It is an arithmetic number, because the mean of its divisors is an integer number (1808799867).

Almost surely, 2^12276635444 is an apocalyptic number.

It is an amenable number.

12276635444 is a deficient number, since it is larger than the sum of its proper divisors (9428962960).

12276635444 is a wasteful number, since it uses less digits than its factorization.

12276635444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31640914 (or 31640912 counting only the distinct ones).

The product of its digits is 967680, while the sum is 44.

The spelling of 12276635444 in words is "twelve billion, two hundred seventy-six million, six hundred thirty-five thousand, four hundred forty-four".