12021103220122 has 16 divisors (see below), whose sum is σ = 18096866160192. Its totient is φ = 5988816963360.

The previous prime is 12021103220117. The next prime is 12021103220131. The reversal of 12021103220122 is 22102230112021.

It is a self number, because there is not a number n which added to its sum of digits gives 12021103220122.

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, 9297253 + ... + 10510999.

It is an arithmetic number, because the mean of its divisors is an integer number (1131054135012).

Almost surely, 2^{12021103220122} is an apocalyptic number.

12021103220122 is a deficient number, since it is larger than the sum of its proper divisors (6075762940070).

12021103220122 is a wasteful number, since it uses less digits than its factorization.

12021103220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231653.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12021103220122 its reverse (22102230112021), we get a palindrome (34123333332143).

The spelling of 12021103220122 in words is "twelve trillion, twenty-one billion, one hundred three million, two hundred twenty thousand, one hundred twenty-two".