30120212123233 has 2 divisors, whose sum is σ = 30120212123234. Its totient is φ = 30120212123232.

The previous prime is 30120212123159. The next prime is 30120212123249. The reversal of 30120212123233 is 33232121202103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29860793037009 + 259419086224 = 5464503^2 + 509332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30120212123233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30120212123198 and 30120212123207.

It is not a weakly prime, because it can be changed into another prime (30120212123273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060106061616 + 15060106061617.

It is an arithmetic number, because the mean of its divisors is an integer number (15060106061617).

Almost surely, 2^{30120212123233} is an apocalyptic number.

It is an amenable number.

30120212123233 is a deficient number, since it is larger than the sum of its proper divisors (1).

30120212123233 is an equidigital number, since it uses as much as digits as its factorization.

30120212123233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 30120212123233 its reverse (33232121202103), we get a palindrome (63352333325336).

The spelling of 30120212123233 in words is "thirty trillion, one hundred twenty billion, two hundred twelve million, one hundred twenty-three thousand, two hundred thirty-three".