12010442312 has 64 divisors (see below), whose sum is σ = 25658156160. Its totient is φ = 5217203200.

The previous prime is 12010442293. The next prime is 12010442329. The reversal of 12010442312 is 21324401021.

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, 3141362 + ... + 3145182.

It is an arithmetic number, because the mean of its divisors is an integer number (400908690).

Almost surely, 2^12010442312 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 12010442312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12829078080).

12010442312 is an abundant number, since it is smaller than the sum of its proper divisors (13647713848).

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

12010442312 is a wasteful number, since it uses less digits than its factorization.

12010442312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5414 (or 5410 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12010442312 its reverse (21324401021), we get a palindrome (33334843333).

The spelling of 12010442312 in words is "twelve billion, ten million, four hundred forty-two thousand, three hundred twelve".