10003212321 has 8 divisors (see below), whose sum is σ = 14039596320. Its totient is φ = 6317818272.

The previous prime is 10003212313. The next prime is 10003212337. The reversal of 10003212321 is 12321230001.

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

It is not a de Polignac number, because 10003212321 - 2³ = 10003212313 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10003212321.

It is not an unprimeable number, because it can be changed into a prime (10003211321) 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, 87747420 + ... + 87747533.

It is an arithmetic number, because the mean of its divisors is an integer number (1754949540).

Almost surely, 2^10003212321 is an apocalyptic number.

It is an amenable number.

10003212321 is a deficient number, since it is larger than the sum of its proper divisors (4036383999).

10003212321 is a wasteful number, since it uses less digits than its factorization.

10003212321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175494975.

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

Adding to 10003212321 its reverse (12321230001), we get a palindrome (22324442322).

The spelling of 10003212321 in words is "ten billion, three million, two hundred twelve thousand, three hundred twenty-one".