12275771369 has 16 divisors (see below), whose sum is σ = 12926918400. Its totient is φ = 11641383936.

The previous prime is 12275771363. The next prime is 12275771377. The reversal of 12275771369 is 96317757221.

It is a cyclic number.

It is not a de Polignac number, because 12275771369 - 2⁴ = 12275771353 is a prime.

It is a super-2 number, since 2×12275771369² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12275771363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428282 + ... + 456044.

It is an arithmetic number, because the mean of its divisors is an integer number (807932400).

Almost surely, 2^12275771369 is an apocalyptic number.

It is an amenable number.

12275771369 is a deficient number, since it is larger than the sum of its proper divisors (651147031).

12275771369 is a wasteful number, since it uses less digits than its factorization.

12275771369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28064.

The product of its digits is 1111320, while the sum is 50.

The spelling of 12275771369 in words is "twelve billion, two hundred seventy-five million, seven hundred seventy-one thousand, three hundred sixty-nine".