30123313032312 has 256 divisors, whose sum is σ = 88794081792000. Its totient is φ = 9429553115136.

The previous prime is 30123313032301. The next prime is 30123313032343. The reversal of 30123313032312 is 21323031332103.

30123313032312 is a `hidden beast` number, since 3 + 0 + 1 + 2 + 3 + 313 + 0 + 32 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5571166713 + ... + 5571172119.

It is an arithmetic number, because the mean of its divisors is an integer number (346851882000).

Almost surely, 2^{30123313032312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30123313032312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44397040896000).

30123313032312 is an abundant number, since it is smaller than the sum of its proper divisors (58670768759688).

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

30123313032312 is a wasteful number, since it uses less digits than its factorization.

30123313032312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8515 (or 8505 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 30123313032312 its reverse (21323031332103), we get a palindrome (51446344364415).

The spelling of 30123313032312 in words is "thirty trillion, one hundred twenty-three billion, three hundred thirteen million, thirty-two thousand, three hundred twelve".