12444320030 has 16 divisors (see below), whose sum is σ = 22401679680. Its totient is φ = 4977304992.

The previous prime is 12444320027. The next prime is 12444320051. The reversal of 12444320030 is 3002344421.

It is a super-2 number, since 2×12444320030² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12444319978 and 12444320005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88736 + ... + 181004.

It is an arithmetic number, because the mean of its divisors is an integer number (1400104980).

Almost surely, 2^12444320030 is an apocalyptic number.

12444320030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12444320030 is a deficient number, since it is larger than the sum of its proper divisors (9957359650).

12444320030 is a wasteful number, since it uses less digits than its factorization.

12444320030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105763.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12444320030 its reverse (3002344421), we get a palindrome (15446664451).

The spelling of 12444320030 in words is "twelve billion, four hundred forty-four million, three hundred twenty thousand, thirty".