12444220022232 has 32 divisors (see below), whose sum is σ = 31112185927680. Its totient is φ = 4147855224480.

The previous prime is 12444220022183. The next prime is 12444220022249. The reversal of 12444220022232 is 23222002244421.

It is a happy number.

It is a super-2 number, since 2×12444220022232² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12444220022232.

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, 13166008 + ... + 14079495.

It is an arithmetic number, because the mean of its divisors is an integer number (972255810240).

Almost surely, 2^{12444220022232} is an apocalyptic number.

12444220022232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12444220022232 is an abundant number, since it is smaller than the sum of its proper divisors (18667965905448).

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

12444220022232 is a wasteful number, since it uses less digits than its factorization.

12444220022232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27264543 (or 27264539 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 12444220022232 its reverse (23222002244421), we get a palindrome (35666222266653).

The spelling of 12444220022232 in words is "twelve trillion, four hundred forty-four billion, two hundred twenty million, twenty-two thousand, two hundred thirty-two".