121233200200 has 48 divisors (see below), whose sum is σ = 322133935680. Its totient is φ = 41565668160.

The previous prime is 121233200173. The next prime is 121233200201. The reversal of 121233200200 is 2002332121.

It is not an unprimeable number, because it can be changed into a prime (121233200201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43296172 + ... + 43298971.

It is an arithmetic number, because the mean of its divisors is an integer number (6711123660).

Almost surely, 2^121233200200 is an apocalyptic number.

121233200200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121233200200 is an abundant number, since it is smaller than the sum of its proper divisors (200900735480).

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

121233200200 is a wasteful number, since it uses less digits than its factorization.

121233200200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86595166 (or 86595157 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 121233200200 its reverse (2002332121), we get a palindrome (123235532321).

The spelling of 121233200200 in words is "one hundred twenty-one billion, two hundred thirty-three million, two hundred thousand, two hundred".