12021212002022 has 16 divisors (see below), whose sum is σ = 19354054460112. Its totient is φ = 5579547229440.

The previous prime is 12021212002021. The next prime is 12021212002043. The reversal of 12021212002022 is 22020021212021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021212002021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2421676004 + ... + 2421680967.

It is an arithmetic number, because the mean of its divisors is an integer number (1209628403757).

Almost surely, 2^{12021212002022} is an apocalyptic number.

12021212002022 is a deficient number, since it is larger than the sum of its proper divisors (7332842458090).

12021212002022 is a wasteful number, since it uses less digits than its factorization.

12021212002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4843357063.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12021212002022 its reverse (22020021212021), we get a palindrome (34041233214043).

The spelling of 12021212002022 in words is "twelve trillion, twenty-one billion, two hundred twelve million, two thousand, twenty-two".