12021012021022 has 64 divisors (see below), whose sum is σ = 18870011424000. Its totient is φ = 5739734068992.

The previous prime is 12021012021001. The next prime is 12021012021037. The reversal of 12021012021022 is 22012021012021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12021012020987 and 12021012021005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266654748 + ... + 266699824.

It is an arithmetic number, because the mean of its divisors is an integer number (294843928500).

Almost surely, 2^{12021012021022} is an apocalyptic number.

12021012021022 is a deficient number, since it is larger than the sum of its proper divisors (6848999402978).

12021012021022 is a wasteful number, since it uses less digits than its factorization.

12021012021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45673.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12021012021022 its reverse (22012021012021), we get a palindrome (34033033033043).

The spelling of 12021012021022 in words is "twelve trillion, twenty-one billion, twelve million, twenty-one thousand, twenty-two".