12022222020012 has 72 divisors (see below), whose sum is σ = 30777871160400. Its totient is φ = 3956396341248.

The previous prime is 12022222020007. The next prime is 12022222020157. The reversal of 12022222020012 is 21002022222021.

12022222020012 is a `hidden beast` number, since 1 + 20 + 222 + 220 + 200 + 1 + 2 = 666.

It is a super-3 number, since 3×12022222020012³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2780562 + ... + 5637017.

Almost surely, 2^{12022222020012} is an apocalyptic number.

12022222020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12022222020012 is an abundant number, since it is smaller than the sum of its proper divisors (18755649140388).

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

12022222020012 is a wasteful number, since it uses less digits than its factorization.

12022222020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8418095 (or 8418090 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12022222020012 its reverse (21002022222021), we get a palindrome (33024244242033).

The spelling of 12022222020012 in words is "twelve trillion, twenty-two billion, two hundred twenty-two million, twenty thousand, twelve".