42122301233 has 2 divisors, whose sum is σ = 42122301234. Its totient is φ = 42122301232.

The previous prime is 42122301229. The next prime is 42122301257. The reversal of 42122301233 is 33210322124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41531179264 + 591121969 = 203792^2 + 24313^2 .

It is a cyclic number.

It is not a de Polignac number, because 42122301233 - 2² = 42122301229 is a prime.

It is a super-2 number, since 2×42122301233² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42122301199 and 42122301208.

It is not a weakly prime, because it can be changed into another prime (42122301833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21061150616 + 21061150617.

It is an arithmetic number, because the mean of its divisors is an integer number (21061150617).

Almost surely, 2^42122301233 is an apocalyptic number.

It is an amenable number.

42122301233 is a deficient number, since it is larger than the sum of its proper divisors (1).

42122301233 is an equidigital number, since it uses as much as digits as its factorization.

42122301233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 42122301233 its reverse (33210322124), we get a palindrome (75332623357).

The spelling of 42122301233 in words is "forty-two billion, one hundred twenty-two million, three hundred one thousand, two hundred thirty-three".