12100032321 has 8 divisors (see below), whose sum is σ = 17374405440. Its totient is φ = 7446173712.

The previous prime is 12100032283. The next prime is 12100032331. The reversal of 12100032321 is 12323000121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12100032321 - 2⁷ = 12100032193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12100032321.

It is not an unprimeable number, because it can be changed into a prime (12100032331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155128581 + ... + 155128658.

It is an arithmetic number, because the mean of its divisors is an integer number (2171800680).

Almost surely, 2^12100032321 is an apocalyptic number.

It is an amenable number.

12100032321 is a deficient number, since it is larger than the sum of its proper divisors (5274373119).

12100032321 is a wasteful number, since it uses less digits than its factorization.

12100032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310257255.

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

Adding to 12100032321 its reverse (12323000121), we get a palindrome (24423032442).

The spelling of 12100032321 in words is "twelve billion, one hundred million, thirty-two thousand, three hundred twenty-one".