12272208399 has 64 divisors (see below), whose sum is σ = 20318791680. Its totient is φ = 7256856960.

The previous prime is 12272208397. The next prime is 12272208407. The reversal of 12272208399 is 99380227221.

It is a happy number.

12272208399 is a `hidden beast` number, since 12 + 27 + 220 + 8 + 399 = 666.

It is a Cunningham number, because it is equal to 110780²-1.

It is not a de Polignac number, because 12272208399 - 2¹ = 12272208397 is a prime.

It is a super-2 number, since 2×12272208399² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12272208397) 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 63 ways as a sum of consecutive naturals, for example, 5205529 + ... + 5207885.

It is an arithmetic number, because the mean of its divisors is an integer number (317481120).

Almost surely, 2^12272208399 is an apocalyptic number.

12272208399 is a deficient number, since it is larger than the sum of its proper divisors (8046583281).

12272208399 is a wasteful number, since it uses less digits than its factorization.

12272208399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797 (or 2791 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 12272208399 in words is "twelve billion, two hundred seventy-two million, two hundred eight thousand, three hundred ninety-nine".