12821174732 has 24 divisors (see below), whose sum is σ = 23049329856. Its totient is φ = 6235740288.

The previous prime is 12821174687. The next prime is 12821174747. The reversal of 12821174732 is 23747112821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748253 + ... + 765195.

It is an arithmetic number, because the mean of its divisors is an integer number (960388744).

Almost surely, 2^12821174732 is an apocalyptic number.

It is an amenable number.

12821174732 is a deficient number, since it is larger than the sum of its proper divisors (10228155124).

12821174732 is a wasteful number, since it uses less digits than its factorization.

12821174732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22097 (or 22095 counting only the distinct ones).

The product of its digits is 37632, while the sum is 38.

The spelling of 12821174732 in words is "twelve billion, eight hundred twenty-one million, one hundred seventy-four thousand, seven hundred thirty-two".