12789112336 has 80 divisors (see below), whose sum is σ = 33269620608. Its totient is φ = 4599475200.

The previous prime is 12789112289. The next prime is 12789112339. The reversal of 12789112336 is 63321198721.

It is a super-2 number, since 2×12789112336² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12789112292 and 12789112301.

It is not an unprimeable number, because it can be changed into a prime (12789112339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383245 + ... + 415276.

Almost surely, 2^12789112336 is an apocalyptic number.

12789112336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12789112336 is an abundant number, since it is smaller than the sum of its proper divisors (20480508272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12789112336 is a wasteful number, since it uses less digits than its factorization.

12789112336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798560 (or 798554 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The spelling of 12789112336 in words is "twelve billion, seven hundred eighty-nine million, one hundred twelve thousand, three hundred thirty-six".