30123302321112 has 512 divisors, whose sum is σ = 103899863531520. Its totient is φ = 7023524567040.

The previous prime is 30123302321081. The next prime is 30123302321159. The reversal of 30123302321112 is 21112320332103.

It is a super-2 number, since 2×30123302321112² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1958212573 + ... + 1958227955.

It is an arithmetic number, because the mean of its divisors is an integer number (202929420960).

Almost surely, 2^{30123302321112} 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 30123302321112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51949931765760).

30123302321112 is an abundant number, since it is smaller than the sum of its proper divisors (73776561210408).

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

30123302321112 is a wasteful number, since it uses less digits than its factorization.

30123302321112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17663 (or 17659 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 30123302321112 its reverse (21112320332103), we get a palindrome (51235622653215).

The spelling of 30123302321112 in words is "thirty trillion, one hundred twenty-three billion, three hundred two million, three hundred twenty-one thousand, one hundred twelve".