12122402444 has 12 divisors (see below), whose sum is σ = 21215392800. Its totient is φ = 6060861648.

The previous prime is 12122402387. The next prime is 12122402489. The reversal of 12122402444 is 44420422121.

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, 6317 + ... + 155835.

It is an arithmetic number, because the mean of its divisors is an integer number (1767949400).

Almost surely, 2^12122402444 is an apocalyptic number.

It is an amenable number.

12122402444 is a deficient number, since it is larger than the sum of its proper divisors (9092990356).

12122402444 is a wasteful number, since it uses less digits than its factorization.

12122402444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169792 (or 169790 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 12122402444 its reverse (44420422121), we get a palindrome (56542824565).

The spelling of 12122402444 in words is "twelve billion, one hundred twenty-two million, four hundred two thousand, four hundred forty-four".