12030022331 has 4 divisors (see below), whose sum is σ = 12035141664. Its totient is φ = 12024903000.

The previous prime is 12030022283. The next prime is 12030022357. The reversal of 12030022331 is 13322003021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13322003021 = 1571 ⋅8479951.

It is a cyclic number.

It is not a de Polignac number, because 12030022331 - 2²² = 12025828027 is a prime.

It is a super-2 number, since 2×12030022331² (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 (12030022531) 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, 2556140 + ... + 2560841.

It is an arithmetic number, because the mean of its divisors is an integer number (3008785416).

Almost surely, 2^12030022331 is an apocalyptic number.

12030022331 is a deficient number, since it is larger than the sum of its proper divisors (5119333).

12030022331 is an equidigital number, since it uses as much as digits as its factorization.

12030022331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5119332.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12030022331 its reverse (13322003021), we get a palindrome (25352025352).

The spelling of 12030022331 in words is "twelve billion, thirty million, twenty-two thousand, three hundred thirty-one".