12201210012220 has 12 divisors (see below), whose sum is σ = 25622541025704. Its totient is φ = 4880484004880.

The previous prime is 12201210012217. The next prime is 12201210012239. The reversal of 12201210012220 is 2221001210221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12201210012194 and 12201210012203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305030250286 + ... + 305030250325.

It is an arithmetic number, because the mean of its divisors is an integer number (2135211752142).

Almost surely, 2^{12201210012220} is an apocalyptic number.

12201210012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201210012220 is an abundant number, since it is smaller than the sum of its proper divisors (13421331013484).

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

12201210012220 is a wasteful number, since it uses less digits than its factorization.

12201210012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610060500620 (or 610060500618 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12201210012220 its reverse (2221001210221), we get a palindrome (14422211222441).

The spelling of 12201210012220 in words is "twelve trillion, two hundred one billion, two hundred ten million, twelve thousand, two hundred twenty".