12020100020221 has 8 divisors (see below), whose sum is σ = 12040190438400. Its totient is φ = 12000010550448.

The previous prime is 12020100020191. The next prime is 12020100020273. The reversal of 12020100020221 is 12202000102021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12020100020221 - 2⁹ = 12020100019709 is a prime.

It is a super-2 number, since 2×12020100020221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020100020821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27920220 + ... + 28347466.

It is an arithmetic number, because the mean of its divisors is an integer number (1505023804800).

Almost surely, 2^{12020100020221} is an apocalyptic number.

It is an amenable number.

12020100020221 is a deficient number, since it is larger than the sum of its proper divisors (20090418179).

12020100020221 is an equidigital number, since it uses as much as digits as its factorization.

12020100020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474203.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12020100020221 its reverse (12202000102021), we get a palindrome (24222100122242).

The spelling of 12020100020221 in words is "twelve trillion, twenty billion, one hundred million, twenty thousand, two hundred twenty-one".