30203233012 has 12 divisors (see below), whose sum is σ = 55153730016. Its totient is φ = 14445024440.

The previous prime is 30203233001. The next prime is 30203233019. The reversal of 30203233012 is 21033230203.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203233019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164147914 + ... + 164148097.

It is an arithmetic number, because the mean of its divisors is an integer number (4596144168).

Almost surely, 2^30203233012 is an apocalyptic number.

It is an amenable number.

30203233012 is a deficient number, since it is larger than the sum of its proper divisors (24950497004).

30203233012 is a wasteful number, since it uses less digits than its factorization.

30203233012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328296038 (or 328296036 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30203233012 its reverse (21033230203), we get a palindrome (51236463215).

The spelling of 30203233012 in words is "thirty billion, two hundred three million, two hundred thirty-three thousand, twelve".