12201220112210 has 128 divisors (see below), whose sum is σ = 24545478988800. Its totient is φ = 4339661045760.

The previous prime is 12201220112209. The next prime is 12201220112219. The reversal of 12201220112210 is 1221102210221.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (12201220112219) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2262415274 + ... + 2262420666.

It is an arithmetic number, because the mean of its divisors is an integer number (191761554600).

Almost surely, 2^{12201220112210} is an apocalyptic number.

12201220112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201220112210 is an abundant number, since it is smaller than the sum of its proper divisors (12344258876590).

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

12201220112210 is a wasteful number, since it uses less digits than its factorization.

12201220112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7236.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12201220112210 its reverse (1221102210221), we get a palindrome (13422322322431).

The spelling of 12201220112210 in words is "twelve trillion, two hundred one billion, two hundred twenty million, one hundred twelve thousand, two hundred ten".