42012241133 has 2 divisors, whose sum is σ = 42012241134. Its totient is φ = 42012241132.

The previous prime is 42012241099. The next prime is 42012241157. The reversal of 42012241133 is 33114221024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39872901124 + 2139340009 = 199682^2 + 46253^2 .

It is a cyclic number.

It is not a de Polignac number, because 42012241133 - 2¹⁸ = 42011978989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42012241099 and 42012241108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42012241433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21006120566 + 21006120567.

It is an arithmetic number, because the mean of its divisors is an integer number (21006120567).

Almost surely, 2^42012241133 is an apocalyptic number.

It is an amenable number.

42012241133 is a deficient number, since it is larger than the sum of its proper divisors (1).

42012241133 is an equidigital number, since it uses as much as digits as its factorization.

42012241133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 42012241133 its reverse (33114221024), we get a palindrome (75126462157).

The spelling of 42012241133 in words is "forty-two billion, twelve million, two hundred forty-one thousand, one hundred thirty-three".