12179884290 has 128 divisors (see below), whose sum is σ = 35034370560. Its totient is φ = 2651056128.

The previous prime is 12179884237. The next prime is 12179884291. The reversal of 12179884290 is 9248897121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12179884291) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 430872 + ... + 458268.

It is an arithmetic number, because the mean of its divisors is an integer number (273706020).

Almost surely, 2^12179884290 is an apocalyptic number.

12179884290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12179884290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17517185280).

12179884290 is an abundant number, since it is smaller than the sum of its proper divisors (22854486270).

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

12179884290 is a wasteful number, since it uses less digits than its factorization.

12179884290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27516.

The product of its (nonzero) digits is 580608, while the sum is 51.

The spelling of 12179884290 in words is "twelve billion, one hundred seventy-nine million, eight hundred eighty-four thousand, two hundred ninety".