12220444102 has 4 divisors (see below), whose sum is σ = 18330666156. Its totient is φ = 6110222050.

The previous prime is 12220444091. The next prime is 12220444141. The reversal of 12220444102 is 20144402221.

12220444102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20144402221 = 167 ⋅120625163.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055111024 + ... + 3055111027.

It is an arithmetic number, because the mean of its divisors is an integer number (4582666539).

Almost surely, 2^12220444102 is an apocalyptic number.

12220444102 is a deficient number, since it is larger than the sum of its proper divisors (6110222054).

12220444102 is an equidigital number, since it uses as much as digits as its factorization.

12220444102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110222053.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 12220444102 its reverse (20144402221), we get a palindrome (32364846323).

The spelling of 12220444102 in words is "twelve billion, two hundred twenty million, four hundred forty-four thousand, one hundred two".