12121010220122 has 8 divisors (see below), whose sum is σ = 18248605793472. Its totient is φ = 6038141622300.

The previous prime is 12121010220103. The next prime is 12121010220191. The reversal of 12121010220122 is 22102201012121.

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 12121010220122.

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, 11181743204 + ... + 11181744287.

It is an arithmetic number, because the mean of its divisors is an integer number (2281075724184).

Almost surely, 2^{12121010220122} is an apocalyptic number.

12121010220122 is a deficient number, since it is larger than the sum of its proper divisors (6127595573350).

12121010220122 is a wasteful number, since it uses less digits than its factorization.

12121010220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22363487764.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12121010220122 its reverse (22102201012121), we get a palindrome (34223211232243).

The spelling of 12121010220122 in words is "twelve trillion, one hundred twenty-one billion, ten million, two hundred twenty thousand, one hundred twenty-two".