30123012003 has 48 divisors (see below), whose sum is σ = 47762680320. Its totient is φ = 16830254784.

The previous prime is 30123011999. The next prime is 30123012043. The reversal of 30123012003 is 30021032103.

It is not a de Polignac number, because 30123012003 - 2² = 30123011999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30123012043) 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 in 47 ways as a sum of consecutive naturals, for example, 11184325 + ... + 11187017.

It is an arithmetic number, because the mean of its divisors is an integer number (995055840).

Almost surely, 2^30123012003 is an apocalyptic number.

30123012003 is a deficient number, since it is larger than the sum of its proper divisors (17639668317).

30123012003 is a wasteful number, since it uses less digits than its factorization.

30123012003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4376 (or 4369 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30123012003 its reverse (30021032103), we get a palindrome (60144044106).

The spelling of 30123012003 in words is "thirty billion, one hundred twenty-three million, twelve thousand, three".