12010201232221 has 4 divisors (see below), whose sum is σ = 12162229096000. Its totient is φ = 11858173368444.

The previous prime is 12010201232149. The next prime is 12010201232261. The reversal of 12010201232221 is 12223210201021.

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 not a de Polignac number, because 12010201232221 - 2¹⁷ = 12010201101149 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 (12010201232261) 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, 76013931771 + ... + 76013931928.

It is an arithmetic number, because the mean of its divisors is an integer number (3040557274000).

Almost surely, 2^{12010201232221} is an apocalyptic number.

It is an amenable number.

12010201232221 is a deficient number, since it is larger than the sum of its proper divisors (152027863779).

12010201232221 is an equidigital number, since it uses as much as digits as its factorization.

12010201232221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152027863778.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12010201232221 its reverse (12223210201021), we get a palindrome (24233411433242).

The spelling of 12010201232221 in words is "twelve trillion, ten billion, two hundred one million, two hundred thirty-two thousand, two hundred twenty-one".