12021210111122 has 8 divisors (see below), whose sum is σ = 18033600702000. Its totient is φ = 6010009877124.

The previous prime is 12021210111109. The next prime is 12021210111161. The reversal of 12021210111122 is 22111101212021.

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 12021210111122.

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, 297563972 + ... + 297604367.

It is an arithmetic number, because the mean of its divisors is an integer number (2254200087750).

Almost surely, 2^{12021210111122} is an apocalyptic number.

12021210111122 is a deficient number, since it is larger than the sum of its proper divisors (6012390590878).

12021210111122 is a wasteful number, since it uses less digits than its factorization.

12021210111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595178440.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12021210111122 its reverse (22111101212021), we get a palindrome (34132311323143).

The spelling of 12021210111122 in words is "twelve trillion, twenty-one billion, two hundred ten million, one hundred eleven thousand, one hundred twenty-two".