12023132221 has 8 divisors (see below), whose sum is σ = 12081355200. Its totient is φ = 11965047360.

The previous prime is 12023132201. The next prime is 12023132237. The reversal of 12023132221 is 12223132021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12023132221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023132201) 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, 142165 + ... + 210373.

It is an arithmetic number, because the mean of its divisors is an integer number (1510169400).

Almost surely, 2^12023132221 is an apocalyptic number.

It is an amenable number.

12023132221 is a deficient number, since it is larger than the sum of its proper divisors (58222979).

12023132221 is an equidigital number, since it uses as much as digits as its factorization.

12023132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69059.

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

Adding to 12023132221 its reverse (12223132021), we get a palindrome (24246264242).

The spelling of 12023132221 in words is "twelve billion, twenty-three million, one hundred thirty-two thousand, two hundred twenty-one".