12444322330 has 32 divisors (see below), whose sum is σ = 24628561920. Its totient is φ = 4489571520.

The previous prime is 12444322307. The next prime is 12444322367. The reversal of 12444322330 is 3322344421.

It is a super-2 number, since 2×12444322330² (a number of 21 digits) contains 22 as substring.

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, 431425 + ... + 459364.

It is an arithmetic number, because the mean of its divisors is an integer number (769642560).

Almost surely, 2^12444322330 is an apocalyptic number.

12444322330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12444322330 is a deficient number, since it is larger than the sum of its proper divisors (12184239590).

12444322330 is a wasteful number, since it uses less digits than its factorization.

12444322330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890934.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 12444322330 its reverse (3322344421), we get a palindrome (15766666751).

The spelling of 12444322330 in words is "twelve billion, four hundred forty-four million, three hundred twenty-two thousand, three hundred thirty".