12010211221201 has 4 divisors (see below), whose sum is σ = 12010301435392. Its totient is φ = 12010121007012.

The previous prime is 12010211221189. The next prime is 12010211221231. The reversal of 12010211221201 is 10212211201021.

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 12010211221201 - 2²¹ = 12010209124049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12010211221231) 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, 44907105 + ... + 45173758.

It is an arithmetic number, because the mean of its divisors is an integer number (3002575358848).

Almost surely, 2^{12010211221201} is an apocalyptic number.

It is an amenable number.

12010211221201 is a deficient number, since it is larger than the sum of its proper divisors (90214191).

12010211221201 is an equidigital number, since it uses as much as digits as its factorization.

12010211221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90214190.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12010211221201 its reverse (10212211201021), we get a palindrome (22222422422222).

The spelling of 12010211221201 in words is "twelve trillion, ten billion, two hundred eleven million, two hundred twenty-one thousand, two hundred one".