12842645946 has 64 divisors (see below), whose sum is σ = 29193091200. Its totient is φ = 3733814016.

The previous prime is 12842645941. The next prime is 12842646013. The reversal of 12842645946 is 64954624821.

It is not an unprimeable number, because it can be changed into a prime (12842645941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 565360 + ... + 587636.

It is an arithmetic number, because the mean of its divisors is an integer number (456142050).

Almost surely, 2^12842645946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12842645946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14596545600).

12842645946 is an abundant number, since it is smaller than the sum of its proper divisors (16350445254).

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

12842645946 is a wasteful number, since it uses less digits than its factorization.

12842645946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22703.

The product of its digits is 3317760, while the sum is 51.

The spelling of 12842645946 in words is "twelve billion, eight hundred forty-two million, six hundred forty-five thousand, nine hundred forty-six".