12331122030 has 96 divisors (see below), whose sum is σ = 33337744128. Its totient is φ = 3158899200.

The previous prime is 12331122029. The next prime is 12331122049. The reversal of 12331122030 is 3022113321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12331121994 and 12331122012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 366100 + ... + 398360.

It is an arithmetic number, because the mean of its divisors is an integer number (347268168).

Almost surely, 2^12331122030 is an apocalyptic number.

12331122030 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 12331122030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16668872064).

12331122030 is an abundant number, since it is smaller than the sum of its proper divisors (21006622098).

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

12331122030 is a wasteful number, since it uses less digits than its factorization.

12331122030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32442 (or 32439 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12331122030 its reverse (3022113321), we get a palindrome (15353235351).

The spelling of 12331122030 in words is "twelve billion, three hundred thirty-one million, one hundred twenty-two thousand, thirty".