30023133212 has 6 divisors (see below), whose sum is σ = 52540483128. Its totient is φ = 15011566604.

The previous prime is 30023133209. The next prime is 30023133269. The reversal of 30023133212 is 21233132003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3752891648 + ... + 3752891655.

It is an arithmetic number, because the mean of its divisors is an integer number (8756747188).

Almost surely, 2^30023133212 is an apocalyptic number.

It is an amenable number.

30023133212 is a deficient number, since it is larger than the sum of its proper divisors (22517349916).

30023133212 is a wasteful number, since it uses less digits than its factorization.

30023133212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7505783307 (or 7505783305 counting only the distinct ones).

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

Adding to 30023133212 its reverse (21233132003), we get a palindrome (51256265215).

The spelling of 30023133212 in words is "thirty billion, twenty-three million, one hundred thirty-three thousand, two hundred twelve".