12000100202021 has 16 divisors (see below), whose sum is σ = 12941068109760. Its totient is φ = 11090126113920.

The previous prime is 12000100201993. The next prime is 12000100202023. The reversal of 12000100202021 is 12020200100021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12000100202021 - 2¹⁰ = 12000100200997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12000100201993 and 12000100202011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000100202023) 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, 7077095 + ... + 8607291.

It is an arithmetic number, because the mean of its divisors is an integer number (808816756860).

Almost surely, 2^{12000100202021} is an apocalyptic number.

It is an amenable number.

12000100202021 is a deficient number, since it is larger than the sum of its proper divisors (940967907739).

12000100202021 is a wasteful number, since it uses less digits than its factorization.

12000100202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540324.

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

Adding to 12000100202021 its reverse (12020200100021), we get a palindrome (24020300302042).

The spelling of 12000100202021 in words is "twelve trillion, one hundred million, two hundred two thousand, twenty-one".