12162144264 has 64 divisors (see below), whose sum is σ = 32056344000. Its totient is φ = 3834593280.

The previous prime is 12162144187. The next prime is 12162144271. The reversal of 12162144264 is 46244126121.

It is a nude number because it is divisible by every one of its digits.

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, 271492 + ... + 313100.

It is an arithmetic number, because the mean of its divisors is an integer number (500880375).

Almost surely, 2^12162144264 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 12162144264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16028172000).

12162144264 is an abundant number, since it is smaller than the sum of its proper divisors (19894199736).

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

12162144264 is a wasteful number, since it uses less digits than its factorization.

12162144264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42278 (or 42274 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The spelling of 12162144264 in words is "twelve billion, one hundred sixty-two million, one hundred forty-four thousand, two hundred sixty-four".