12320120232 has 96 divisors (see below), whose sum is σ = 39020604480. Its totient is φ = 3438167040.

The previous prime is 12320120221. The next prime is 12320120243. The reversal of 12320120232 is 23202102321.

It is an interprime number because it is at equal distance from previous prime (12320120221) and next prime (12320120243).

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 23 ways as a sum of consecutive naturals, for example, 262569 + ... + 305912.

It is an arithmetic number, because the mean of its divisors is an integer number (406464630).

Almost surely, 2^12320120232 is an apocalyptic number.

12320120232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12320120232 is an abundant number, since it is smaller than the sum of its proper divisors (26700484248).

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

12320120232 is a wasteful number, since it uses less digits than its factorization.

12320120232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568543 (or 568536 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12320120232 its reverse (23202102321), we get a palindrome (35522222553).

The spelling of 12320120232 in words is "twelve billion, three hundred twenty million, one hundred twenty thousand, two hundred thirty-two".