30212123033 has 2 divisors, whose sum is σ = 30212123034. Its totient is φ = 30212123032.

The previous prime is 30212122961. The next prime is 30212123099. The reversal of 30212123033 is 33032121203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26898624064 + 3313498969 = 164008^2 + 57563^2 .

It is a cyclic number.

It is not a de Polignac number, because 30212123033 - 2¹⁰ = 30212122009 is a prime.

It is a super-2 number, since 2×30212123033² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30212122996 and 30212123014.

It is not a weakly prime, because it can be changed into another prime (30212723033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15106061516 + 15106061517.

It is an arithmetic number, because the mean of its divisors is an integer number (15106061517).

Almost surely, 2^30212123033 is an apocalyptic number.

It is an amenable number.

30212123033 is a deficient number, since it is larger than the sum of its proper divisors (1).

30212123033 is an equidigital number, since it uses as much as digits as its factorization.

30212123033 is an odious number, because the sum of its binary digits is odd.

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

Adding to 30212123033 its reverse (33032121203), we get a palindrome (63244244236).

The spelling of 30212123033 in words is "thirty billion, two hundred twelve million, one hundred twenty-three thousand, thirty-three".