12909032650 has 24 divisors (see below), whose sum is σ = 24014962944. Its totient is φ = 5162718000.

The previous prime is 12909032641. The next prime is 12909032681. The reversal of 12909032650 is 5623090921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 321175 + ... + 359125.

It is an arithmetic number, because the mean of its divisors is an integer number (1000623456).

Almost surely, 2^12909032650 is an apocalyptic number.

12909032650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12909032650 is a deficient number, since it is larger than the sum of its proper divisors (11105930294).

12909032650 is a wasteful number, since it uses less digits than its factorization.

12909032650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44766 (or 44761 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The spelling of 12909032650 in words is "twelve billion, nine hundred nine million, thirty-two thousand, six hundred fifty".