12010002101021 has 4 divisors (see below), whose sum is σ = 12010827488544. Its totient is φ = 12009176713500.

The previous prime is 12010002100997. The next prime is 12010002101047. The reversal of 12010002101021 is 12010120001021.

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 a de Polignac number, because none of the positive numbers 2^k-12010002101021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010002100993 and 12010002101011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010002161021) 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, 412671935 + ... + 412701036.

It is an arithmetic number, because the mean of its divisors is an integer number (3002706872136).

Almost surely, 2^{12010002101021} is an apocalyptic number.

It is an amenable number.

12010002101021 is a deficient number, since it is larger than the sum of its proper divisors (825387523).

12010002101021 is an equidigital number, since it uses as much as digits as its factorization.

12010002101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825387522.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12010002101021 its reverse (12010120001021), we get a palindrome (24020122102042).

The spelling of 12010002101021 in words is "twelve trillion, ten billion, two million, one hundred one thousand, twenty-one".