122001112220200 has 24 divisors (see below), whose sum is σ = 283652585912430. Its totient is φ = 48800444888000.

The previous prime is 122001112220153. The next prime is 122001112220231. The reversal of 122001112220200 is 2022211100221.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 103743147251844 + 18257964968356 = 10185438^2 + 4272934^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305002780351 + ... + 305002780750.

Almost surely, 2^{122001112220200} is an apocalyptic number.

122001112220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122001112220200 is an abundant number, since it is smaller than the sum of its proper divisors (161651473692230).

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

122001112220200 is a wasteful number, since it uses less digits than its factorization.

122001112220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610005561117 (or 610005561108 counting only the distinct ones).

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

Adding to 122001112220200 its reverse (2022211100221), we get a palindrome (124023323320421).

The spelling of 122001112220200 in words is "one hundred twenty-two trillion, one billion, one hundred twelve million, two hundred twenty thousand, two hundred".