122210201220 has 48 divisors (see below), whose sum is σ = 343050566208. Its totient is φ = 32507291520.

The previous prime is 122210201219. The next prime is 122210201227. The reversal of 122210201220 is 22102012221.

It is a super-3 number, since 3×122210201220³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122210201220.

It is not an unprimeable number, because it can be changed into a prime (122210201227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2541466 + ... + 2589105.

It is an arithmetic number, because the mean of its divisors is an integer number (7146886796).

Almost surely, 2^122210201220 is an apocalyptic number.

122210201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122210201220 is an abundant number, since it is smaller than the sum of its proper divisors (220840364988).

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

122210201220 is a wasteful number, since it uses less digits than its factorization.

122210201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5130980 (or 5130978 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122210201220 its reverse (22102012221), we get a palindrome (144312213441).

The spelling of 122210201220 in words is "one hundred twenty-two billion, two hundred ten million, two hundred one thousand, two hundred twenty".