123212300033 has 2 divisors, whose sum is σ = 123212300034. Its totient is φ = 123212300032.

The previous prime is 123212299999. The next prime is 123212300077. The reversal of 123212300033 is 330003212321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100829746369 + 22382553664 = 317537^2 + 149608^2 .

It is a cyclic number.

It is not a de Polignac number, because 123212300033 - 2²⁸ = 122943864577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123212299978 and 123212300014.

It is not a weakly prime, because it can be changed into another prime (123212300083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61606150016 + 61606150017.

It is an arithmetic number, because the mean of its divisors is an integer number (61606150017).

Almost surely, 2^123212300033 is an apocalyptic number.

It is an amenable number.

123212300033 is a deficient number, since it is larger than the sum of its proper divisors (1).

123212300033 is an equidigital number, since it uses as much as digits as its factorization.

123212300033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 123212300033 its reverse (330003212321), we get a palindrome (453215512354).

The spelling of 123212300033 in words is "one hundred twenty-three billion, two hundred twelve million, three hundred thousand, thirty-three".