30303212120 has 64 divisors (see below), whose sum is σ = 68735520000. Its totient is φ = 12023233920.

The previous prime is 30303212117. The next prime is 30303212123. The reversal of 30303212120 is 2121230303.

It is an interprime number because it is at equal distance from previous prime (30303212117) and next prime (30303212123).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30303212123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3328775 + ... + 3337865.

It is an arithmetic number, because the mean of its divisors is an integer number (1073992500).

Almost surely, 2^30303212120 is an apocalyptic number.

It is an amenable number.

30303212120 is an abundant number, since it is smaller than the sum of its proper divisors (38432307880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30303212120 is a wasteful number, since it uses less digits than its factorization.

30303212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9768 (or 9764 counting only the distinct ones).

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

Adding to 30303212120 its reverse (2121230303), we get a palindrome (32424442423).

The spelling of 30303212120 in words is "thirty billion, three hundred three million, two hundred twelve thousand, one hundred twenty".