30213232312 has 16 divisors (see below), whose sum is σ = 56934486000. Its totient is φ = 15030702720.

The previous prime is 30213232267. The next prime is 30213232321. The reversal of 30213232312 is 21323231203.

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 in 3 ways as a sum of consecutive naturals, for example, 9487489 + ... + 9490672.

It is an arithmetic number, because the mean of its divisors is an integer number (3558405375).

Almost surely, 2^30213232312 is an apocalyptic number.

It is an amenable number.

30213232312 is a deficient number, since it is larger than the sum of its proper divisors (26721253688).

30213232312 is a wasteful number, since it uses less digits than its factorization.

30213232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18978366 (or 18978362 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30213232312 its reverse (21323231203), we get a palindrome (51536463515).

The spelling of 30213232312 in words is "thirty billion, two hundred thirteen million, two hundred thirty-two thousand, three hundred twelve".