12210120202021 has 8 divisors (see below), whose sum is σ = 13954462349760. Its totient is φ = 10465787869728.

The previous prime is 12210120202019. The next prime is 12210120202073. The reversal of 12210120202021 is 12020202101221.

It is a happy number.

12210120202021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12210120202021 - 2¹ = 12210120202019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12210120201986 and 12210120202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210120202081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439185 + ... + 4961161.

It is an arithmetic number, because the mean of its divisors is an integer number (1744307793720).

Almost surely, 2^{12210120202021} is an apocalyptic number.

It is an amenable number.

12210120202021 is a deficient number, since it is larger than the sum of its proper divisors (1744342147739).

12210120202021 is an equidigital number, since it uses as much as digits as its factorization.

12210120202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4907723.

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

Adding to 12210120202021 its reverse (12020202101221), we get a palindrome (24230322303242).

The spelling of 12210120202021 in words is "twelve trillion, two hundred ten billion, one hundred twenty million, two hundred two thousand, twenty-one".