12002203211021 has 4 divisors (see below), whose sum is σ = 12002292636252. Its totient is φ = 12002113785792.

The previous prime is 12002203210939. The next prime is 12002203211069. The reversal of 12002203211021 is 12011230220021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5426127654025 + 6576075556996 = 2329405^2 + 2564386^2 .

It is a cyclic number.

It is not a de Polignac number, because 12002203211021 - 2¹⁴ = 12002203194637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002203261021) 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, 44510990 + ... + 44779823.

It is an arithmetic number, because the mean of its divisors is an integer number (3000573159063).

Almost surely, 2^{12002203211021} is an apocalyptic number.

It is an amenable number.

12002203211021 is a deficient number, since it is larger than the sum of its proper divisors (89425231).

12002203211021 is an equidigital number, since it uses as much as digits as its factorization.

12002203211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89425230.

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

Adding to 12002203211021 its reverse (12011230220021), we get a palindrome (24013433431042).

The spelling of 12002203211021 in words is "twelve trillion, two billion, two hundred three million, two hundred eleven thousand, twenty-one".