12303112320030 has 256 divisors, whose sum is σ = 37026350161920. Its totient is φ = 2553438463488.

The previous prime is 12303112320029. The next prime is 12303112320053. The reversal of 12303112320030 is 3002321130321.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12303112319979 and 12303112320006.

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, 9269289 + ... + 10513131.

It is an arithmetic number, because the mean of its divisors is an integer number (144634180320).

Almost surely, 2^{12303112320030} is an apocalyptic number.

12303112320030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12303112320030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18513175080960).

12303112320030 is an abundant number, since it is smaller than the sum of its proper divisors (24723237841890).

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

12303112320030 is a wasteful number, since it uses less digits than its factorization.

12303112320030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243983.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12303112320030 its reverse (3002321130321), we get a palindrome (15305433450351).

The spelling of 12303112320030 in words is "twelve trillion, three hundred three billion, one hundred twelve million, three hundred twenty thousand, thirty".