12320113032 has 24 divisors (see below), whose sum is σ = 33366972990. Its totient is φ = 4106704320.

The previous prime is 12320112997. The next prime is 12320113067. The reversal of 12320113032 is 23031102321.

It is an interprime number because it is at equal distance from previous prime (12320112997) and next prime (12320113067).

It can be written as a sum of positive squares in only one way, i.e., 6856833636 + 5463279396 = 82806^2 + 73914^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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 = 12320112996 and 12320113014.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85556269 + ... + 85556412.

Almost surely, 2^12320113032 is an apocalyptic number.

12320113032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12320113032 is an abundant number, since it is smaller than the sum of its proper divisors (21046859958).

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

12320113032 is a wasteful number, since it uses less digits than its factorization.

12320113032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171112693 (or 171112686 counting only the distinct ones).

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

Adding to 12320113032 its reverse (23031102321), we get a palindrome (35351215353).

The spelling of 12320113032 in words is "twelve billion, three hundred twenty million, one hundred thirteen thousand, thirty-two".