12122011012201 has 4 divisors (see below), whose sum is σ = 12122069362900. Its totient is φ = 12121952661504.

The previous prime is 12122011012169. The next prime is 12122011012217. The reversal of 12122011012201 is 10221011022121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2848250280976 + 9273760731225 = 1687676^2 + 3045285^2 .

It is a cyclic number.

It is not a de Polignac number, because 12122011012201 - 2⁵ = 12122011012169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122011012801) 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, 28862616 + ... + 29279593.

It is an arithmetic number, because the mean of its divisors is an integer number (3030517340725).

Almost surely, 2^{12122011012201} is an apocalyptic number.

It is an amenable number.

12122011012201 is a deficient number, since it is larger than the sum of its proper divisors (58350699).

12122011012201 is an equidigital number, since it uses as much as digits as its factorization.

12122011012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58350698.

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

Adding to 12122011012201 its reverse (10221011022121), we get a palindrome (22343022034322).

The spelling of 12122011012201 in words is "twelve trillion, one hundred twenty-two billion, eleven million, twelve thousand, two hundred one".