12022021021012 has 12 divisors (see below), whose sum is σ = 21057715041300. Its totient is φ = 6005531009216.

The previous prime is 12022021020931. The next prime is 12022021021019. The reversal of 12022021021012 is 21012012022021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5018513961616 + 7003507059396 = 2240204^2 + 2646414^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022021021019) 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 3 ways as a sum of consecutive naturals, for example, 1369870387 + ... + 1369879162.

It is an arithmetic number, because the mean of its divisors is an integer number (1754809586775).

Almost surely, 2^{12022021021012} is an apocalyptic number.

It is an amenable number.

12022021021012 is a deficient number, since it is larger than the sum of its proper divisors (9035694020288).

12022021021012 is a wasteful number, since it uses less digits than its factorization.

12022021021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739750650 (or 2739750648 counting only the distinct ones).

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

Adding to 12022021021012 its reverse (21012012022021), we get a palindrome (33034033043033).

The spelling of 12022021021012 in words is "twelve trillion, twenty-two billion, twenty-one million, twenty-one thousand, twelve".