2012231301121 has 2 divisors, whose sum is σ = 2012231301122. Its totient is φ = 2012231301120.

The previous prime is 2012231301103. The next prime is 2012231301127. The reversal of 2012231301121 is 1211031322102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2011401861121 + 829440000 = 1418239^2 + 28800^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012231301121 - 2¹⁷ = 2012231170049 is a prime.

It is a super-2 number, since 2×2012231301121² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2012231301127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006115650560 + 1006115650561.

It is an arithmetic number, because the mean of its divisors is an integer number (1006115650561).

Almost surely, 2^{2012231301121} is an apocalyptic number.

It is an amenable number.

2012231301121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012231301121 is an equidigital number, since it uses as much as digits as its factorization.

2012231301121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2012231301121 its reverse (1211031322102), we get a palindrome (3223262623223).

The spelling of 2012231301121 in words is "two trillion, twelve billion, two hundred thirty-one million, three hundred one thousand, one hundred twenty-one".