12909208294 has 8 divisors (see below), whose sum is σ = 19988451648. Its totient is φ = 6246391080.

The previous prime is 12909208261. The next prime is 12909208309. The reversal of 12909208294 is 49280290921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104106457 + ... + 104106580.

It is an arithmetic number, because the mean of its divisors is an integer number (2498556456).

Almost surely, 2^12909208294 is an apocalyptic number.

12909208294 is a deficient number, since it is larger than the sum of its proper divisors (7079243354).

12909208294 is a wasteful number, since it uses less digits than its factorization.

12909208294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208213070.

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 12909208294 in words is "twelve billion, nine hundred nine million, two hundred eight thousand, two hundred ninety-four".