12010213301221 has 16 divisors (see below), whose sum is σ = 12543609960000. Its totient is φ = 11485164974976.

The previous prime is 12010213301183. The next prime is 12010213301227. The reversal of 12010213301221 is 12210331201021.

It is a cyclic number.

It is not a de Polignac number, because 12010213301221 - 2²⁹ = 12009676430309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010213301227) 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, 1866456 + ... + 5244433.

It is an arithmetic number, because the mean of its divisors is an integer number (783975622500).

Almost surely, 2^{12010213301221} is an apocalyptic number.

It is an amenable number.

12010213301221 is a deficient number, since it is larger than the sum of its proper divisors (533396658779).

12010213301221 is a wasteful number, since it uses less digits than its factorization.

12010213301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7111476.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12010213301221 its reverse (12210331201021), we get a palindrome (24220544502242).

The spelling of 12010213301221 in words is "twelve trillion, ten billion, two hundred thirteen million, three hundred one thousand, two hundred twenty-one".