12210021122122 has 16 divisors (see below), whose sum is σ = 19279345752000. Its totient is φ = 5783584705920.

The previous prime is 12210021122111. The next prime is 12210021122147. The reversal of 12210021122122 is 22122112001221.

12210021122122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 12210021122122.

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, 990622 + ... + 5039977.

It is an arithmetic number, because the mean of its divisors is an integer number (1204959109500).

Almost surely, 2^{12210021122122} is an apocalyptic number.

12210021122122 is a deficient number, since it is larger than the sum of its proper divisors (7069324629878).

12210021122122 is a wasteful number, since it uses less digits than its factorization.

12210021122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6083901.

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

Adding to 12210021122122 its reverse (22122112001221), we get a palindrome (34332133123343).

The spelling of 12210021122122 in words is "twelve trillion, two hundred ten billion, twenty-one million, one hundred twenty-two thousand, one hundred twenty-two".