12022021023021 has 24 divisors (see below), whose sum is σ = 17371167457176. Its totient is φ = 8011900014720.

The previous prime is 12022021023013. The next prime is 12022021023043. The reversal of 12022021023021 is 12032012022021.

12022021023021 is a `hidden beast` number, since 1 + 2 + 0 + 220 + 210 + 230 + 2 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 287525453796 + 11734495569225 = 536214^2 + 3425565^2 .

It is not a de Polignac number, because 12022021023021 - 2³ = 12022021023013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12022021022985 and 12022021023003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022021023071) 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 23 ways as a sum of consecutive naturals, for example, 358496371 + ... + 358529903.

It is an arithmetic number, because the mean of its divisors is an integer number (723798644049).

Almost surely, 2^{12022021023021} is an apocalyptic number.

It is an amenable number.

12022021023021 is a deficient number, since it is larger than the sum of its proper divisors (5349146434155).

12022021023021 is a wasteful number, since it uses less digits than its factorization.

12022021023021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46173 (or 46170 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12022021023021 its reverse (12032012022021), we get a palindrome (24054033045042).

The spelling of 12022021023021 in words is "twelve trillion, twenty-two billion, twenty-one million, twenty-three thousand, twenty-one".