12212042244 has 12 divisors (see below), whose sum is σ = 28494765264. Its totient is φ = 4070680744.

The previous prime is 12212042239. The next prime is 12212042263. The reversal of 12212042244 is 44224021221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 508835082 + ... + 508835105.

It is an arithmetic number, because the mean of its divisors is an integer number (2374563772).

Almost surely, 2^12212042244 is an apocalyptic number.

It is an amenable number.

12212042244 is an abundant number, since it is smaller than the sum of its proper divisors (16282723020).

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

12212042244 is a wasteful number, since it uses less digits than its factorization.

12212042244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017670194 (or 1017670192 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 12212042244 its reverse (44224021221), we get a palindrome (56436063465).

The spelling of 12212042244 in words is "twelve billion, two hundred twelve million, forty-two thousand, two hundred forty-four".