12010100122021 has 4 divisors (see below), whose sum is σ = 12049220969632. Its totient is φ = 11970979274412.

The previous prime is 12010100121989. The next prime is 12010100122057. The reversal of 12010100122021 is 12022100101021.

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 12010100122021 - 2⁵ = 12010100121989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010100121992 and 12010100122010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010100122061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19560423345 + ... + 19560423958.

It is an arithmetic number, because the mean of its divisors is an integer number (3012305242408).

Almost surely, 2^{12010100122021} is an apocalyptic number.

It is an amenable number.

12010100122021 is a deficient number, since it is larger than the sum of its proper divisors (39120847611).

12010100122021 is an equidigital number, since it uses as much as digits as its factorization.

12010100122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39120847610.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12010100122021 its reverse (12022100101021), we get a palindrome (24032200223042).

The spelling of 12010100122021 in words is "twelve trillion, ten billion, one hundred million, one hundred twenty-two thousand, twenty-one".