12031141 has 2 divisors, whose sum is σ = 12031142. Its totient is φ = 12031140.

The previous prime is 12031133. The next prime is 12031153. The reversal of 12031141 is 14113021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9641025 + 2390116 = 3105^2 + 1546^2 .

It is a cyclic number.

It is not a de Polignac number, because 12031141 - 2³ = 12031133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12031111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015570 + 6015571.

It is an arithmetic number, because the mean of its divisors is an integer number (6015571).

Almost surely, 2^12031141 is an apocalyptic number.

It is an amenable number.

12031141 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031141 is an equidigital number, since it uses as much as digits as its factorization.

12031141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 12031141 is about 3468.5935189930. The cubic root of 12031141 is about 229.1407193689.

Adding to 12031141 its reverse (14113021), we get a palindrome (26144162).

The spelling of 12031141 in words is "twelve million, thirty-one thousand, one hundred forty-one".