12011012220201 has 4 divisors (see below), whose sum is σ = 16014682960272. Its totient is φ = 8007341480132.

The previous prime is 12011012220199. The next prime is 12011012220203. The reversal of 12011012220201 is 10202221011021.

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 an interprime number because it is at equal distance from previous prime (12011012220199) and next prime (12011012220203).

It is a cyclic number.

It is not a de Polignac number, because 12011012220201 - 2¹ = 12011012220199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12011012220203) 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, 2001835370031 + ... + 2001835370036.

It is an arithmetic number, because the mean of its divisors is an integer number (4003670740068).

Almost surely, 2^{12011012220201} is an apocalyptic number.

It is an amenable number.

12011012220201 is a deficient number, since it is larger than the sum of its proper divisors (4003670740071).

12011012220201 is an equidigital number, since it uses as much as digits as its factorization.

12011012220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4003670740070.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12011012220201 its reverse (10202221011021), we get a palindrome (22213233231222).

The spelling of 12011012220201 in words is "twelve trillion, eleven billion, twelve million, two hundred twenty thousand, two hundred one".