12022120012 has 36 divisors (see below), whose sum is σ = 24480715224. Its totient is φ = 5150839680.

The previous prime is 12022119953. The next prime is 12022120049. The reversal of 12022120012 is 21002122021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12022119974 and 12022120001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 906187 + ... + 919357.

Almost surely, 2^12022120012 is an apocalyptic number.

It is an amenable number.

12022120012 is an abundant number, since it is smaller than the sum of its proper divisors (12458595212).

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

12022120012 is a wasteful number, since it uses less digits than its factorization.

12022120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17846 (or 17837 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12022120012 its reverse (21002122021), we get a palindrome (33024242033).

The spelling of 12022120012 in words is "twelve billion, twenty-two million, one hundred twenty thousand, twelve".