12849789217888 has 96 divisors (see below), whose sum is σ = 29146259419200. Its totient is φ = 5462615476224.

The previous prime is 12849789217873. The next prime is 12849789217897. The reversal of 12849789217888 is 88871298794821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13333006 + ... + 14264242.

It is an arithmetic number, because the mean of its divisors is an integer number (303606868950).

Almost surely, 2^{12849789217888} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12849789217888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14573129709600).

12849789217888 is an abundant number, since it is smaller than the sum of its proper divisors (16296470201312).

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

12849789217888 is a wasteful number, since it uses less digits than its factorization.

12849789217888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931752 (or 931744 counting only the distinct ones).

The product of its digits is 2080899072, while the sum is 82.

The spelling of 12849789217888 in words is "twelve trillion, eight hundred forty-nine billion, seven hundred eighty-nine million, two hundred seventeen thousand, eight hundred eighty-eight".