122220011200 has 168 divisors, whose sum is σ = 345145766400. Its totient is φ = 41727759360.

The previous prime is 122220011189. The next prime is 122220011219. The reversal of 122220011200 is 2110022221.

It is a happy number.

It is a super-2 number, since 2×122220011200² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2653971 + ... + 2699629.

Almost surely, 2^122220011200 is an apocalyptic number.

122220011200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122220011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172572883200).

122220011200 is an abundant number, since it is smaller than the sum of its proper divisors (222925755200).

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

122220011200 is a wasteful number, since it uses less digits than its factorization.

122220011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45927 (or 45912 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122220011200 its reverse (2110022221), we get a palindrome (124330033421).

The spelling of 122220011200 in words is "one hundred twenty-two billion, two hundred twenty million, eleven thousand, two hundred".