12783352068 has 96 divisors (see below), whose sum is σ = 34661733120. Its totient is φ = 4066571520.

The previous prime is 12783352063. The next prime is 12783352093. The reversal of 12783352068 is 86025338721.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12783352061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1129558 + ... + 1140818.

It is an arithmetic number, because the mean of its divisors is an integer number (361059720).

Almost surely, 2^12783352068 is an apocalyptic number.

12783352068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12783352068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17330866560).

12783352068 is an abundant number, since it is smaller than the sum of its proper divisors (21878381052).

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

12783352068 is a wasteful number, since it uses less digits than its factorization.

12783352068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11754 (or 11746 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 12783352068 in words is "twelve billion, seven hundred eighty-three million, three hundred fifty-two thousand, sixty-eight".