12311444010 has 64 divisors (see below), whose sum is σ = 30415761792. Its totient is φ = 3186982656.

The previous prime is 12311443997. The next prime is 12311444021. The reversal of 12311444010 is 1044411321.

It is a super-2 number, since 2×12311444010² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 479212 + ... + 504248.

It is an arithmetic number, because the mean of its divisors is an integer number (475246278).

Almost surely, 2^12311444010 is an apocalyptic number.

12311444010 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 12311444010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15207880896).

12311444010 is an abundant number, since it is smaller than the sum of its proper divisors (18104317782).

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

12311444010 is a wasteful number, since it uses less digits than its factorization.

12311444010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25527.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12311444010 its reverse (1044411321), we get a palindrome (13355855331).

The spelling of 12311444010 in words is "twelve billion, three hundred eleven million, four hundred forty-four thousand, ten".