12022023212 has 24 divisors (see below), whose sum is σ = 22279498416. Its totient is φ = 5656560128.

The previous prime is 12022023173. The next prime is 12022023217. The reversal of 12022023212 is 21232022021.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (12022023217) 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, 758723 + ... + 774405.

It is an arithmetic number, because the mean of its divisors is an integer number (928312434).

Almost surely, 2^12022023212 is an apocalyptic number.

It is an amenable number.

12022023212 is a deficient number, since it is larger than the sum of its proper divisors (10257475204).

12022023212 is a wasteful number, since it uses less digits than its factorization.

12022023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26977 (or 26975 counting only the distinct ones).

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

Adding to 12022023212 its reverse (21232022021), we get a palindrome (33254045233).

The spelling of 12022023212 in words is "twelve billion, twenty-two million, twenty-three thousand, two hundred twelve".