12001132202021 has 2 divisors, whose sum is σ = 12001132202022. Its totient is φ = 12001132202020.

The previous prime is 12001132201999. The next prime is 12001132202057. The reversal of 12001132202021 is 12020223110021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8295776697121 + 3705355504900 = 2880239^2 + 1924930^2 .

It is a cyclic number.

It is not a de Polignac number, because 12001132202021 - 2²² = 12001128007717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001132202321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000566101010 + 6000566101011.

It is an arithmetic number, because the mean of its divisors is an integer number (6000566101011).

Almost surely, 2^{12001132202021} is an apocalyptic number.

It is an amenable number.

12001132202021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001132202021 is an equidigital number, since it uses as much as digits as its factorization.

12001132202021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12001132202021 its reverse (12020223110021), we get a palindrome (24021355312042).

The spelling of 12001132202021 in words is "twelve trillion, one billion, one hundred thirty-two million, two hundred two thousand, twenty-one".