12023001222 has 32 divisors (see below), whose sum is σ = 26800502400. Its totient is φ = 3573399168.

The previous prime is 12023001217. The next prime is 12023001229. The reversal of 12023001222 is 22210032021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023001229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3099972 + ... + 3103847.

It is an arithmetic number, because the mean of its divisors is an integer number (837515700).

Almost surely, 2^12023001222 is an apocalyptic number.

12023001222 is an abundant number, since it is smaller than the sum of its proper divisors (14777501178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12023001222 is a wasteful number, since it uses less digits than its factorization.

12023001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6203860.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12023001222 its reverse (22210032021), we get a palindrome (34233033243).

The spelling of 12023001222 in words is "twelve billion, twenty-three million, one thousand, two hundred twenty-two".