12122220012122 has 16 divisors (see below), whose sum is σ = 20258410234752. Its totient is φ = 5392863834720.

The previous prime is 12122220012103. The next prime is 12122220012131. The reversal of 12122220012122 is 22121002222121.

It is a super-2 number, since 2×12122220012122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12122220012094 and 12122220012103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5861807483 + ... + 5861809550.

It is an arithmetic number, because the mean of its divisors is an integer number (1266150639672).

Almost surely, 2^{12122220012122} is an apocalyptic number.

12122220012122 is a deficient number, since it is larger than the sum of its proper divisors (8136190222630).

12122220012122 is a wasteful number, since it uses less digits than its factorization.

12122220012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11723617093.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12122220012122 its reverse (22121002222121), we get a palindrome (34243222234243).

The spelling of 12122220012122 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty million, twelve thousand, one hundred twenty-two".