30212123122231 has 2 divisors, whose sum is σ = 30212123122232. Its totient is φ = 30212123122230.

The previous prime is 30212123122091. The next prime is 30212123122261. The reversal of 30212123122231 is 13222132121203.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30212123122231 is a prime.

It is a super-2 number, since 2×30212123122231² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30212123122196 and 30212123122205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30212123122261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15106061561115 + 15106061561116.

It is an arithmetic number, because the mean of its divisors is an integer number (15106061561116).

Almost surely, 2^{30212123122231} is an apocalyptic number.

30212123122231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30212123122231 is an equidigital number, since it uses as much as digits as its factorization.

30212123122231 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 25.

Adding to 30212123122231 its reverse (13222132121203), we get a palindrome (43434255243434).

The spelling of 30212123122231 in words is "thirty trillion, two hundred twelve billion, one hundred twenty-three million, one hundred twenty-two thousand, two hundred thirty-one".