12022122012 has 12 divisors (see below), whose sum is σ = 28051618056. Its totient is φ = 4007374000.

The previous prime is 12022122001. The next prime is 12022122037. The reversal of 12022122012 is 21022122021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12022121982 and 12022122000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500921739 + ... + 500921762.

It is an arithmetic number, because the mean of its divisors is an integer number (2337634838).

Almost surely, 2^12022122012 is an apocalyptic number.

12022122012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12022122012 is an abundant number, since it is smaller than the sum of its proper divisors (16029496044).

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

12022122012 is a wasteful number, since it uses less digits than its factorization.

12022122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001843508 (or 1001843506 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12022122012 its reverse (21022122021), we get a palindrome (33044244033).

Subtracting 12022122012 from its reverse (21022122021), we obtain a palindrome (9000000009).

The spelling of 12022122012 in words is "twelve billion, twenty-two million, one hundred twenty-two thousand, twelve".