30121223003 has 2 divisors, whose sum is σ = 30121223004. Its totient is φ = 30121223002.

The previous prime is 30121222981. The next prime is 30121223021. The reversal of 30121223003 is 30032212103.

It is a strong prime.

It is an emirp because it is prime and its reverse (30032212103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30121223003 - 2¹⁶ = 30121157467 is a prime.

It is not a weakly prime, because it can be changed into another prime (30121225003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060611501 + 15060611502.

It is an arithmetic number, because the mean of its divisors is an integer number (15060611502).

Almost surely, 2^30121223003 is an apocalyptic number.

30121223003 is a deficient number, since it is larger than the sum of its proper divisors (1).

30121223003 is an equidigital number, since it uses as much as digits as its factorization.

30121223003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30121223003 its reverse (30032212103), we get a palindrome (60153435106).

The spelling of 30121223003 in words is "thirty billion, one hundred twenty-one million, two hundred twenty-three thousand, three".