121222210010200 has 96 divisors (see below), whose sum is σ = 303530881374000. Its totient is φ = 44757625397760.

The previous prime is 121222210010129. The next prime is 121222210010261. The reversal of 121222210010200 is 2010012222121.

It is a happy number.

It is a congruent number.

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, 88036626 + ... + 89402974.

Almost surely, 2^{121222210010200} is an apocalyptic number.

121222210010200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121222210010200 is an abundant number, since it is smaller than the sum of its proper divisors (182308671363800).

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

121222210010200 is a wasteful number, since it uses less digits than its factorization.

121222210010200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400501 (or 1400492 counting only the distinct ones).

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

Adding to 121222210010200 its reverse (2010012222121), we get a palindrome (123232222232321).

The spelling of 121222210010200 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, two hundred ten million, ten thousand, two hundred".