12002020310221 has 16 divisors (see below), whose sum is σ = 12639257556480. Its totient is φ = 11382722588160.

The previous prime is 12002020310213. The next prime is 12002020310233. The reversal of 12002020310221 is 12201302020021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12002020310221 - 2³ = 12002020310213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12002020310195 and 12002020310204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002020310201) 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, 18936615 + ... + 19560148.

It is an arithmetic number, because the mean of its divisors is an integer number (789953597280).

Almost surely, 2^{12002020310221} is an apocalyptic number.

It is an amenable number.

12002020310221 is a deficient number, since it is larger than the sum of its proper divisors (637237246259).

12002020310221 is a wasteful number, since it uses less digits than its factorization.

12002020310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38496996.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12002020310221 its reverse (12201302020021), we get a palindrome (24203322330242).

The spelling of 12002020310221 in words is "twelve trillion, two billion, twenty million, three hundred ten thousand, two hundred twenty-one".