12021302210122 has 32 divisors (see below), whose sum is σ = 19265126469120. Its totient is φ = 5613367247040.

The previous prime is 12021302210107. The next prime is 12021302210167. The reversal of 12021302210122 is 22101220312021.

It is a self number, because there is not a number n which added to its sum of digits gives 12021302210122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1916613 + ... + 5264599.

It is an arithmetic number, because the mean of its divisors is an integer number (602035202160).

Almost surely, 2^{12021302210122} is an apocalyptic number.

12021302210122 is a deficient number, since it is larger than the sum of its proper divisors (7243824258998).

12021302210122 is a wasteful number, since it uses less digits than its factorization.

12021302210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350046.

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

Adding to 12021302210122 its reverse (22101220312021), we get a palindrome (34122522522143).

The spelling of 12021302210122 in words is "twelve trillion, twenty-one billion, three hundred two million, two hundred ten thousand, one hundred twenty-two".