12022032231 has 20 divisors (see below), whose sum is σ = 19591461384. Its totient is φ = 7286079600.

The previous prime is 12022032179. The next prime is 12022032233. The reversal of 12022032231 is 13223022021.

12022032231 is a `hidden beast` number, since 120 + 220 + 322 + 3 + 1 = 666.

It is not a de Polignac number, because 12022032231 - 2⁶ = 12022032167 is a prime.

It is a super-2 number, since 2×12022032231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022032233) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6745480 + ... + 6747261.

Almost surely, 2^12022032231 is an apocalyptic number.

12022032231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12022032231 is a deficient number, since it is larger than the sum of its proper divisors (7569429153).

12022032231 is a wasteful number, since it uses less digits than its factorization.

12022032231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13492764 (or 13492755 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12022032231 its reverse (13223022021), we get a palindrome (25245054252).

The spelling of 12022032231 in words is "twelve billion, twenty-two million, thirty-two thousand, two hundred thirty-one".