12102244144 has 20 divisors (see below), whose sum is σ = 24467581296. Its totient is φ = 5788029632.

The previous prime is 12102244139. The next prime is 12102244159. The reversal of 12102244144 is 44144220121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16442899 + ... + 16443634.

Almost surely, 2^12102244144 is an apocalyptic number.

It is an amenable number.

12102244144 is an abundant number, since it is smaller than the sum of its proper divisors (12365337152).

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

12102244144 is a wasteful number, since it uses less digits than its factorization.

12102244144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32886564 (or 32886558 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 12102244144 its reverse (44144220121), we get a palindrome (56246464265).

The spelling of 12102244144 in words is "twelve billion, one hundred two million, two hundred forty-four thousand, one hundred forty-four".