12103210032 has 20 divisors (see below), whose sum is σ = 31266626040. Its totient is φ = 4034403328.

The previous prime is 12103210013. The next prime is 12103210033. The reversal of 12103210032 is 23001230121.

It is a junction number, because it is equal to n+sod(n) for n = 12103209993 and 12103210020.

It is not an unprimeable number, because it can be changed into a prime (12103210033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126075057 + ... + 126075152.

It is an arithmetic number, because the mean of its divisors is an integer number (1563331302).

Almost surely, 2^12103210032 is an apocalyptic number.

12103210032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12103210032 is an abundant number, since it is smaller than the sum of its proper divisors (19163416008).

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

12103210032 is a wasteful number, since it uses less digits than its factorization.

12103210032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252150220 (or 252150214 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12103210032 its reverse (23001230121), we get a palindrome (35104440153).

The spelling of 12103210032 in words is "twelve billion, one hundred three million, two hundred ten thousand, thirty-two".