12122200012 has 12 divisors (see below), whose sum is σ = 22845684736. Its totient is φ = 5594861520.

The previous prime is 12122200009. The next prime is 12122200033. The reversal of 12122200012 is 21000222121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 12122199965 and 12122200001.

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, 116559564 + ... + 116559667.

Almost surely, 2^12122200012 is an apocalyptic number.

It is an amenable number.

12122200012 is a deficient number, since it is larger than the sum of its proper divisors (10723484724).

12122200012 is a wasteful number, since it uses less digits than its factorization.

12122200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233119248 (or 233119246 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12122200012 its reverse (21000222121), we get a palindrome (33122422133).

The spelling of 12122200012 in words is "twelve billion, one hundred twenty-two million, two hundred thousand, twelve".