12100202302021 has 4 divisors (see below), whose sum is σ = 12101104574944. Its totient is φ = 12099300029100.

The previous prime is 12100202302009. The next prime is 12100202302031. The reversal of 12100202302021 is 12020320200121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12100202302021 - 2²⁹ = 12099665431109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12100202301986 and 12100202302004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100202302031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451116345 + ... + 451143166.

It is an arithmetic number, because the mean of its divisors is an integer number (3025276143736).

Almost surely, 2^{12100202302021} is an apocalyptic number.

It is an amenable number.

12100202302021 is a deficient number, since it is larger than the sum of its proper divisors (902272923).

12100202302021 is an equidigital number, since it uses as much as digits as its factorization.

12100202302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902272922.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12100202302021 its reverse (12020320200121), we get a palindrome (24120522502142).

The spelling of 12100202302021 in words is "twelve trillion, one hundred billion, two hundred two million, three hundred two thousand, twenty-one".