12894696822 has 96 divisors (see below), whose sum is σ = 32036152320. Its totient is φ = 3442340160.

The previous prime is 12894696811. The next prime is 12894696823. The reversal of 12894696822 is 22869649821.

It is a happy number.

It is a super-2 number, since 2×12894696822² (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 (12894696823) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 239913 + ... + 288699.

It is an arithmetic number, because the mean of its divisors is an integer number (333709920).

Almost surely, 2^12894696822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12894696822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16018076160).

12894696822 is an abundant number, since it is smaller than the sum of its proper divisors (19141455498).

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

12894696822 is a wasteful number, since it uses less digits than its factorization.

12894696822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48866 (or 48859 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 57.

The spelling of 12894696822 in words is "twelve billion, eight hundred ninety-four million, six hundred ninety-six thousand, eight hundred twenty-two".