12312320130 has 96 divisors (see below), whose sum is σ = 34954208640. Its totient is φ = 2982071040.

The previous prime is 12312320117. The next prime is 12312320143. The reversal of 12312320130 is 3102321321.

12312320130 is a `hidden beast` number, since 1 + 2 + 312 + 320 + 1 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (12312320117) and next prime (12312320143).

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

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, 1205686 + ... + 1215854.

It is an arithmetic number, because the mean of its divisors is an integer number (364106340).

Almost surely, 2^12312320130 is an apocalyptic number.

12312320130 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 12312320130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17477104320).

12312320130 is an abundant number, since it is smaller than the sum of its proper divisors (22641888510).

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

12312320130 is a wasteful number, since it uses less digits than its factorization.

12312320130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11416 (or 11413 counting only the distinct ones).

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

Adding to 12312320130 its reverse (3102321321), we get a palindrome (15414641451).

The spelling of 12312320130 in words is "twelve billion, three hundred twelve million, three hundred twenty thousand, one hundred thirty".