12010000021001 has 4 divisors (see below), whose sum is σ = 12010006993104. Its totient is φ = 12009993048900.

The previous prime is 12010000020937. The next prime is 12010000021013. The reversal of 12010000021001 is 10012000001021.

12010000021001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12010000021001 - 2⁶ = 12010000020937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12010000021001.

It is not an unprimeable number, because it can be changed into a prime (12010000020001) 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, 1176686 + ... + 5040296.

It is an arithmetic number, because the mean of its divisors is an integer number (3002501748276).

Almost surely, 2^{12010000021001} is an apocalyptic number.

It is an amenable number.

12010000021001 is a deficient number, since it is larger than the sum of its proper divisors (6972103).

12010000021001 is an equidigital number, since it uses as much as digits as its factorization.

12010000021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6972102.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12010000021001 its reverse (10012000001021), we get a palindrome (22022000022022).

The spelling of 12010000021001 in words is "twelve trillion, ten billion, twenty-one thousand, one".