12203222100220 has 48 divisors (see below), whose sum is σ = 27633483712800. Its totient is φ = 4511589166080.

The previous prime is 12203222100191. The next prime is 12203222100247. The reversal of 12203222100220 is 2200122230221.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391615425 + ... + 391646584.

It is an arithmetic number, because the mean of its divisors is an integer number (575697577350).

Almost surely, 2^{12203222100220} is an apocalyptic number.

12203222100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12203222100220 is an abundant number, since it is smaller than the sum of its proper divisors (15430261612580).

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

12203222100220 is a wasteful number, since it uses less digits than its factorization.

12203222100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783262078 (or 783262076 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12203222100220 its reverse (2200122230221), we get a palindrome (14403344330441).

The spelling of 12203222100220 in words is "twelve trillion, two hundred three billion, two hundred twenty-two million, one hundred thousand, two hundred twenty".