12023221022 has 4 divisors (see below), whose sum is σ = 18034831536. Its totient is φ = 6011610510.

The previous prime is 12023220971. The next prime is 12023221037. The reversal of 12023221022 is 22012232021.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005805254 + ... + 3005805257.

It is an arithmetic number, because the mean of its divisors is an integer number (4508707884).

Almost surely, 2^12023221022 is an apocalyptic number.

12023221022 is a deficient number, since it is larger than the sum of its proper divisors (6011610514).

12023221022 is an equidigital number, since it uses as much as digits as its factorization.

12023221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6011610513.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12023221022 its reverse (22012232021), we get a palindrome (34035453043).

The spelling of 12023221022 in words is "twelve billion, twenty-three million, two hundred twenty-one thousand, twenty-two".