12443321310 has 64 divisors (see below), whose sum is σ = 35614190592. Its totient is φ = 2720526336.

The previous prime is 12443321273. The next prime is 12443321339. The reversal of 12443321310 is 1312334421.

It is a happy number.

It is a super-2 number, since 2×12443321310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 1283299 + ... + 1292958.

It is an arithmetic number, because the mean of its divisors is an integer number (556471728).

Almost surely, 2^12443321310 is an apocalyptic number.

12443321310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12443321310 is an abundant number, since it is smaller than the sum of its proper divisors (23170869282).

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

12443321310 is a wasteful number, since it uses less digits than its factorization.

12443321310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576297.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12443321310 its reverse (1312334421), we get a palindrome (13755655731).

The spelling of 12443321310 in words is "twelve billion, four hundred forty-three million, three hundred twenty-one thousand, three hundred ten".