12722838159 has 24 divisors (see below), whose sum is σ = 17921599920. Its totient is φ = 8027402112.

The previous prime is 12722838133. The next prime is 12722838179. The reversal of 12722838159 is 95183822721.

It is not a de Polignac number, because 12722838159 - 2⁸ = 12722837903 is a prime.

It is a super-2 number, since 2×12722838159² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12722838109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1182697 + ... + 1193405.

It is an arithmetic number, because the mean of its divisors is an integer number (746733330).

Almost surely, 2^12722838159 is an apocalyptic number.

12722838159 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12722838159 is a deficient number, since it is larger than the sum of its proper divisors (5198761761).

12722838159 is a wasteful number, since it uses less digits than its factorization.

12722838159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11847 (or 11828 counting only the distinct ones).

The product of its digits is 483840, while the sum is 48.

The spelling of 12722838159 in words is "twelve billion, seven hundred twenty-two million, eight hundred thirty-eight thousand, one hundred fifty-nine".