12212022000220 has 72 divisors (see below), whose sum is σ = 29839602668400. Its totient is φ = 4185943534080.

The previous prime is 12212022000197. The next prime is 12212022000223. The reversal of 12212022000220 is 2200022021221.

It is a junction number, because it is equal to n+sod(n) for n = 12212022000194 and 12212022000203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212022000223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2429215 + ... + 5506825.

It is an arithmetic number, because the mean of its divisors is an integer number (414438925950).

Almost surely, 2^{12212022000220} is an apocalyptic number.

12212022000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212022000220 is an abundant number, since it is smaller than the sum of its proper divisors (17627580668180).

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

12212022000220 is a wasteful number, since it uses less digits than its factorization.

12212022000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081683 (or 3081674 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12212022000220 its reverse (2200022021221), we get a palindrome (14412044021441).

The spelling of 12212022000220 in words is "twelve trillion, two hundred twelve billion, twenty-two million, two hundred twenty", and thus it is an aban number.