12010201121 has 2 divisors, whose sum is σ = 12010201122. Its totient is φ = 12010201120.

The previous prime is 12010201087. The next prime is 12010201127. The reversal of 12010201121 is 12110201021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8638773025 + 3371428096 = 92945^2 + 58064^2 .

It is a cyclic number.

It is not a de Polignac number, because 12010201121 - 2⁶ = 12010201057 is a prime.

It is not a weakly prime, because it can be changed into another prime (12010201127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005100560 + 6005100561.

It is an arithmetic number, because the mean of its divisors is an integer number (6005100561).

Almost surely, 2^12010201121 is an apocalyptic number.

It is an amenable number.

12010201121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010201121 is an equidigital number, since it uses as much as digits as its factorization.

12010201121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12010201121 its reverse (12110201021), we get a palindrome (24120402142).

The spelling of 12010201121 in words is "twelve billion, ten million, two hundred one thousand, one hundred twenty-one".