12222001200220 has 24 divisors (see below), whose sum is σ = 29332802880864. Its totient is φ = 4190400411456.

The previous prime is 12222001200203. The next prime is 12222001200229. The reversal of 12222001200220 is 2200210022221.

It is a junction number, because it is equal to n+sod(n) for n = 12222001200194 and 12222001200203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222001200229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43650004147 + ... + 43650004426.

It is an arithmetic number, because the mean of its divisors is an integer number (1222200120036).

Almost surely, 2^{12222001200220} is an apocalyptic number.

12222001200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222001200220 is an abundant number, since it is smaller than the sum of its proper divisors (17110801680644).

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

12222001200220 is a wasteful number, since it uses less digits than its factorization.

12222001200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87300008589 (or 87300008587 counting only the distinct ones).

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

Adding to 12222001200220 its reverse (2200210022221), we get a palindrome (14422211222441).

The spelling of 12222001200220 in words is "twelve trillion, two hundred twenty-two billion, one million, two hundred thousand, two hundred twenty".