12021222110122 has 8 divisors (see below), whose sum is σ = 18031982550372. Its totient is φ = 6010561260000.

The previous prime is 12021222110047. The next prime is 12021222110173. The reversal of 12021222110122 is 22101122212021.

It can be written as a sum of positive squares in 2 ways, for example, as 11746940519161 + 274281590961 = 3427381^2 + 523719^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12021222110122.

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, 24595029 + ... + 25079032.

Almost surely, 2^{12021222110122} is an apocalyptic number.

12021222110122 is a deficient number, since it is larger than the sum of its proper divisors (6010760440250).

12021222110122 is a wasteful number, since it uses less digits than its factorization.

12021222110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49795064.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12021222110122 its reverse (22101122212021), we get a palindrome (34122344322143).

The spelling of 12021222110122 in words is "twelve trillion, twenty-one billion, two hundred twenty-two million, one hundred ten thousand, one hundred twenty-two".