12220027231 has 8 divisors (see below), whose sum is σ = 12433376000. Its totient is φ = 12008145240.

The previous prime is 12220027217. The next prime is 12220027247. The reversal of 12220027231 is 13272002221.

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 12220027231 - 2⁷ = 12220027103 is a prime.

It is a super-2 number, since 2×12220027231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220027031) 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, 349881 + ... + 383218.

It is an arithmetic number, because the mean of its divisors is an integer number (1554172000).

Almost surely, 2^12220027231 is an apocalyptic number.

12220027231 is a deficient number, since it is larger than the sum of its proper divisors (213348769).

12220027231 is an equidigital number, since it uses as much as digits as its factorization.

12220027231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733389.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 12220027231 its reverse (13272002221), we get a palindrome (25492029452).

The spelling of 12220027231 in words is "twelve billion, two hundred twenty million, twenty-seven thousand, two hundred thirty-one".