12953020209 has 16 divisors (see below), whose sum is σ = 17511892800. Its totient is φ = 8514809856.

The previous prime is 12953020189. The next prime is 12953020219. The reversal of 12953020209 is 90202035921.

It is not a de Polignac number, because 12953020209 - 2⁸ = 12953019953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12953020209.

It is not an unprimeable number, because it can be changed into a prime (12953020219) 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, 1425322 + ... + 1434380.

It is an arithmetic number, because the mean of its divisors is an integer number (1094493300).

Almost surely, 2^12953020209 is an apocalyptic number.

It is an amenable number.

12953020209 is a deficient number, since it is larger than the sum of its proper divisors (4558872591).

12953020209 is an equidigital number, since it uses as much as digits as its factorization.

12953020209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15664.

The product of its (nonzero) digits is 9720, while the sum is 33.

The spelling of 12953020209 in words is "twelve billion, nine hundred fifty-three million, twenty thousand, two hundred nine".