12999630322 has 36 divisors (see below), whose sum is σ = 22814674650. Its totient is φ = 5539121280.

The previous prime is 12999630299. The next prime is 12999630331. The reversal of 12999630322 is 22303699921.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1644383601 + 11355246721 = 40551^2 + 106561^2 .

It is an unprimeable number.

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, 3208554 + ... + 3212602.

Almost surely, 2^12999630322 is an apocalyptic number.

12999630322 is a deficient number, since it is larger than the sum of its proper divisors (9815044328).

12999630322 is an equidigital number, since it uses as much as digits as its factorization.

12999630322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4427 (or 4239 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 46.

The spelling of 12999630322 in words is "twelve billion, nine hundred ninety-nine million, six hundred thirty thousand, three hundred twenty-two".