12212032321 has 8 divisors (see below), whose sum is σ = 12747308544. Its totient is φ = 11677116000.

The previous prime is 12212032319. The next prime is 12212032381. The reversal of 12212032321 is 12323021221.

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

It is a cyclic number.

It is not a de Polignac number, because 12212032321 - 2¹ = 12212032319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212032381) 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, 19441 + ... + 157486.

It is an arithmetic number, because the mean of its divisors is an integer number (1593413568).

Almost surely, 2^12212032321 is an apocalyptic number.

It is an amenable number.

12212032321 is a deficient number, since it is larger than the sum of its proper divisors (535276223).

12212032321 is a wasteful number, since it uses less digits than its factorization.

12212032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179951.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12212032321 its reverse (12323021221), we get a palindrome (24535053542).

The spelling of 12212032321 in words is "twelve billion, two hundred twelve million, thirty-two thousand, three hundred twenty-one".