12132312030 has 96 divisors (see below), whose sum is σ = 33126912000. Its totient is φ = 3194279712.

The previous prime is 12132312029. The next prime is 12132312047. The reversal of 12132312030 is 3021323121.

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 = 12132311994 and 12132312012.

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, 160371 + ... + 223569.

It is an arithmetic number, because the mean of its divisors is an integer number (345072000).

Almost surely, 2^12132312030 is an apocalyptic number.

12132312030 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 12132312030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16563456000).

12132312030 is an abundant number, since it is smaller than the sum of its proper divisors (20994599970).

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

12132312030 is an equidigital number, since it uses as much as digits as its factorization.

12132312030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63300 (or 63288 counting only the distinct ones).

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

Adding to 12132312030 its reverse (3021323121), we get a palindrome (15153635151).

The spelling of 12132312030 in words is "twelve billion, one hundred thirty-two million, three hundred twelve thousand, thirty".