30123332312 has 32 divisors (see below), whose sum is σ = 57328560000. Its totient is φ = 14836977408.

The previous prime is 30123332303. The next prime is 30123332321. The reversal of 30123332312 is 21323332103.

It is an interprime number because it is at equal distance from previous prime (30123332303) and next prime (30123332321).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112889 + ... + 270167.

It is an arithmetic number, because the mean of its divisors is an integer number (1791517500).

Almost surely, 2^30123332312 is an apocalyptic number.

It is an amenable number.

30123332312 is a deficient number, since it is larger than the sum of its proper divisors (27205227688).

30123332312 is a wasteful number, since it uses less digits than its factorization.

30123332312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157643 (or 157639 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 30123332312 its reverse (21323332103), we get a palindrome (51446664415).

The spelling of 30123332312 in words is "thirty billion, one hundred twenty-three million, three hundred thirty-two thousand, three hundred twelve".