12003210112 has 32 divisors (see below), whose sum is σ = 24037891200. Its totient is φ = 5970170880.

The previous prime is 12003210083. The next prime is 12003210127. The reversal of 12003210112 is 21101230021.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 12003210092 and 12003210101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221037 + ... + 269932.

It is an arithmetic number, because the mean of its divisors is an integer number (751184100).

Almost surely, 2^12003210112 is an apocalyptic number.

It is an amenable number.

12003210112 is an abundant number, since it is smaller than the sum of its proper divisors (12034681088).

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

12003210112 is an equidigital number, since it uses as much as digits as its factorization.

12003210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491174 (or 491162 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12003210112 its reverse (21101230021), we get a palindrome (33104440133).

The spelling of 12003210112 in words is "twelve billion, three million, two hundred ten thousand, one hundred twelve".