12299390361 has 18 divisors (see below), whose sum is σ = 18399535310. Its totient is φ = 7916844096.

The previous prime is 12299390351. The next prime is 12299390377. The reversal of 12299390361 is 16309399221.

12299390361 is a `hidden beast` number, since 1 + 229 + 9 + 390 + 36 + 1 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2772654336 + 9526736025 = 52656^2 + 97605^2 .

It is not a de Polignac number, because 12299390361 - 2⁶ = 12299390297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12299390321) 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 17 ways as a sum of consecutive naturals, for example, 804916 + ... + 820053.

Almost surely, 2^12299390361 is an apocalyptic number.

It is an amenable number.

12299390361 is a deficient number, since it is larger than the sum of its proper divisors (6100144949).

12299390361 is a wasteful number, since it uses less digits than its factorization.

12299390361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625033 (or 1625001 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The spelling of 12299390361 in words is "twelve billion, two hundred ninety-nine million, three hundred ninety thousand, three hundred sixty-one".