12345161612 has 96 divisors (see below), whose sum is σ = 27027840000. Its totient is φ = 4813966080.

The previous prime is 12345161603. The next prime is 12345161663. The reversal of 12345161612 is 21616154321.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3068162 + ... + 3072182.

It is an arithmetic number, because the mean of its divisors is an integer number (281540000).

Almost surely, 2^12345161612 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 12345161612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13513920000).

12345161612 is an abundant number, since it is smaller than the sum of its proper divisors (14682678388).

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

12345161612 is a wasteful number, since it uses less digits than its factorization.

12345161612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279 (or 4277 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The spelling of 12345161612 in words is "twelve billion, three hundred forty-five million, one hundred sixty-one thousand, six hundred twelve".