12442220102 has 8 divisors (see below), whose sum is σ = 20098970976. Its totient is φ = 5742563112.

The previous prime is 12442220101. The next prime is 12442220123. The reversal of 12442220102 is 20102224421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12442220102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442220101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239273438 + ... + 239273489.

It is an arithmetic number, because the mean of its divisors is an integer number (2512371372).

Almost surely, 2^12442220102 is an apocalyptic number.

12442220102 is a deficient number, since it is larger than the sum of its proper divisors (7656750874).

12442220102 is a wasteful number, since it uses less digits than its factorization.

12442220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478546942.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12442220102 its reverse (20102224421), we get a palindrome (32544444523).

The spelling of 12442220102 in words is "twelve billion, four hundred forty-two million, two hundred twenty thousand, one hundred two".