12722520838 has 8 divisors (see below), whose sum is σ = 19699387200. Its totient is φ = 6156058440.

The previous prime is 12722520827. The next prime is 12722520871. The reversal of 12722520838 is 83802522721.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12722520838.

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, 102600913 + ... + 102601036.

It is an arithmetic number, because the mean of its divisors is an integer number (2462423400).

Almost surely, 2^12722520838 is an apocalyptic number.

12722520838 is a deficient number, since it is larger than the sum of its proper divisors (6976866362).

12722520838 is a wasteful number, since it uses less digits than its factorization.

12722520838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205201982.

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 12722520838 in words is "twelve billion, seven hundred twenty-two million, five hundred twenty thousand, eight hundred thirty-eight".