12921424798 has 8 divisors (see below), whose sum is σ = 19382704992. Its totient is φ = 6460523136.

The previous prime is 12921424739. The next prime is 12921424801. The reversal of 12921424798 is 89742412921.

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, 17086 + ... + 161662.

It is an arithmetic number, because the mean of its divisors is an integer number (2422838124).

Almost surely, 2^12921424798 is an apocalyptic number.

12921424798 is a deficient number, since it is larger than the sum of its proper divisors (6461280194).

12921424798 is a wasteful number, since it uses less digits than its factorization.

12921424798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189266.

The product of its digits is 580608, while the sum is 49.

The spelling of 12921424798 in words is "twelve billion, nine hundred twenty-one million, four hundred twenty-four thousand, seven hundred ninety-eight".