12909494982652 has 12 divisors (see below), whose sum is σ = 22598341940160. Its totient is φ = 6452825856896.

The previous prime is 12909494982649. The next prime is 12909494982653. The reversal of 12909494982652 is 25628949490921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12909494982653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480393493 + ... + 480420364.

It is an arithmetic number, because the mean of its divisors is an integer number (1883195161680).

Almost surely, 2^{12909494982652} is an apocalyptic number.

It is an amenable number.

12909494982652 is a deficient number, since it is larger than the sum of its proper divisors (9688846957508).

12909494982652 is a wasteful number, since it uses less digits than its factorization.

12909494982652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960817220 (or 960817218 counting only the distinct ones).

The product of its (nonzero) digits is 201553920, while the sum is 70.

The spelling of 12909494982652 in words is "twelve trillion, nine hundred nine billion, four hundred ninety-four million, nine hundred eighty-two thousand, six hundred fifty-two".