12224132031 has 4 divisors (see below), whose sum is σ = 16298842712. Its totient is φ = 8149421352.

The previous prime is 12224131993. The next prime is 12224132033. The reversal of 12224132031 is 13023142221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12224132031 - 2³¹ = 10076648383 is a prime.

It is a super-2 number, since 2×12224132031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12224131989 and 12224132007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224132033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2037355336 + ... + 2037355341.

It is an arithmetic number, because the mean of its divisors is an integer number (4074710678).

Almost surely, 2^12224132031 is an apocalyptic number.

12224132031 is a deficient number, since it is larger than the sum of its proper divisors (4074710681).

12224132031 is an equidigital number, since it uses as much as digits as its factorization.

12224132031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4074710680.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12224132031 its reverse (13023142221), we get a palindrome (25247274252).

The spelling of 12224132031 in words is "twelve billion, two hundred twenty-four million, one hundred thirty-two thousand, thirty-one".