12100202021 has 8 divisors (see below), whose sum is σ = 12384324480. Its totient is φ = 11816203392.

The previous prime is 12100202017. The next prime is 12100202027. The reversal of 12100202021 is 12020200121.

It is a happy number.

12100202021 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 12100202021 - 2² = 12100202017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12100201993 and 12100202011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100202027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184085 + ... + 241013.

It is an arithmetic number, because the mean of its divisors is an integer number (1548040560).

Almost surely, 2^12100202021 is an apocalyptic number.

It is an amenable number.

12100202021 is a deficient number, since it is larger than the sum of its proper divisors (284122459).

12100202021 is an equidigital number, since it uses as much as digits as its factorization.

12100202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61915.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12100202021 its reverse (12020200121), we get a palindrome (24120402142).

The spelling of 12100202021 in words is "twelve billion, one hundred million, two hundred two thousand, twenty-one".