12022011231 has 8 divisors (see below), whose sum is σ = 16370398464. Its totient is φ = 7844149080.

The previous prime is 12022011191. The next prime is 12022011233. The reversal of 12022011231 is 13211022021.

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

It is not a de Polignac number, because 12022011231 - 2¹⁴ = 12021994847 is a prime.

It is a super-2 number, since 2×12022011231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12022011231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022011233) 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, 42631105 + ... + 42631386.

It is an arithmetic number, because the mean of its divisors is an integer number (2046299808).

Almost surely, 2^12022011231 is an apocalyptic number.

12022011231 is a deficient number, since it is larger than the sum of its proper divisors (4348387233).

12022011231 is an equidigital number, since it uses as much as digits as its factorization.

12022011231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85262541.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12022011231 its reverse (13211022021), we get a palindrome (25233033252).

The spelling of 12022011231 in words is "twelve billion, twenty-two million, eleven thousand, two hundred thirty-one".