12010002030221 has 4 divisors (see below), whose sum is σ = 12933848340252. Its totient is φ = 11086155720192.

The previous prime is 12010002030193. The next prime is 12010002030233. The reversal of 12010002030221 is 12203020001021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 688028775625 + 11321973254596 = 829475^2 + 3364814^2 .

It is a cyclic number.

It is not a de Polignac number, because 12010002030221 - 2⁶ = 12010002030157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010002030196 and 12010002030205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010002030281) 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, 461923154996 + ... + 461923155021.

It is an arithmetic number, because the mean of its divisors is an integer number (3233462085063).

Almost surely, 2^{12010002030221} is an apocalyptic number.

It is an amenable number.

12010002030221 is a deficient number, since it is larger than the sum of its proper divisors (923846310031).

12010002030221 is an equidigital number, since it uses as much as digits as its factorization.

12010002030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923846310030.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12010002030221 its reverse (12203020001021), we get a palindrome (24213022031242).

The spelling of 12010002030221 in words is "twelve trillion, ten billion, two million, thirty thousand, two hundred twenty-one".