12022012112220 has 120 divisors (see below), whose sum is σ = 41141997067248. Its totient is φ = 2914427174400.

The previous prime is 12022012112197. The next prime is 12022012112221. The reversal of 12022012112220 is 2221121022021.

It is a happy number.

12022012112220 is a `hidden beast` number, since 12 + 0 + 220 + 1 + 211 + 2 + 220 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 12022012112193 and 12022012112202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022012112221) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 337300141 + ... + 337335780.

Almost surely, 2^{12022012112220} is an apocalyptic number.

12022012112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022012112220 is an abundant number, since it is smaller than the sum of its proper divisors (29119984955028).

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

12022012112220 is a wasteful number, since it uses less digits than its factorization.

12022012112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674635953 (or 674635942 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12022012112220 its reverse (2221121022021), we get a palindrome (14243133134241).

The spelling of 12022012112220 in words is "twelve trillion, twenty-two billion, twelve million, one hundred twelve thousand, two hundred twenty".