12212002020021 has 16 divisors (see below), whose sum is σ = 16582869763200. Its totient is φ = 7992218743040.

The previous prime is 12212002019963. The next prime is 12212002020077. The reversal of 12212002020021 is 12002020021221.

12212002020021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12212002020021 - 2⁶ = 12212002019957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212002024021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122983296 + ... + 123082553.

It is an arithmetic number, because the mean of its divisors is an integer number (1036429360200).

Almost surely, 2^{12212002020021} is an apocalyptic number.

It is an amenable number.

12212002020021 is a deficient number, since it is larger than the sum of its proper divisors (4370867743179).

12212002020021 is a wasteful number, since it uses less digits than its factorization.

12212002020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246066156.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12212002020021 its reverse (12002020021221), we get a palindrome (24214022041242).

The spelling of 12212002020021 in words is "twelve trillion, two hundred twelve billion, two million, twenty thousand, twenty-one".