12422023212 has 24 divisors (see below), whose sum is σ = 29984194800. Its totient is φ = 3997892416.

The previous prime is 12422023189. The next prime is 12422023213. The reversal of 12422023212 is 21232022421.

It is not an unprimeable number, because it can be changed into a prime (12422023213) 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 7 ways as a sum of consecutive naturals, for example, 17847387 + ... + 17848082.

It is an arithmetic number, because the mean of its divisors is an integer number (1249341450).

Almost surely, 2^12422023212 is an apocalyptic number.

12422023212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12422023212 is an abundant number, since it is smaller than the sum of its proper divisors (17562171588).

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

12422023212 is a wasteful number, since it uses less digits than its factorization.

12422023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35695505 (or 35695503 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12422023212 its reverse (21232022421), we get a palindrome (33654045633).

The spelling of 12422023212 in words is "twelve billion, four hundred twenty-two million, twenty-three thousand, two hundred twelve".