12022002331 has 4 divisors (see below), whose sum is σ = 12022360200. Its totient is φ = 12021644464.

The previous prime is 12022002281. The next prime is 12022002359. The reversal of 12022002331 is 13320022021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13320022021 = 20693 ⋅643697.

It is a cyclic number.

It is not a de Polignac number, because 12022002331 - 2⁷ = 12022002203 is a prime.

It is a super-2 number, since 2×12022002331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12022002361) 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, 122641 + ... + 197698.

It is an arithmetic number, because the mean of its divisors is an integer number (3005590050).

Almost surely, 2^12022002331 is an apocalyptic number.

12022002331 is a deficient number, since it is larger than the sum of its proper divisors (357869).

12022002331 is an equidigital number, since it uses as much as digits as its factorization.

12022002331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357868.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12022002331 its reverse (13320022021), we get a palindrome (25342024352).

The spelling of 12022002331 in words is "twelve billion, twenty-two million, two thousand, three hundred thirty-one".