121333213200 has 60 divisors (see below), whose sum is σ = 388670730128. Its totient is φ = 32355523200.

The previous prime is 121333213193. The next prime is 121333213213. The reversal of 121333213200 is 2312333121.

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50554306 + ... + 50556705.

Almost surely, 2^121333213200 is an apocalyptic number.

121333213200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121333213200 is an abundant number, since it is smaller than the sum of its proper divisors (267337516928).

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

121333213200 is a wasteful number, since it uses less digits than its factorization.

121333213200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101111032 (or 101111021 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 121333213200 its reverse (2312333121), we get a palindrome (123645546321).

The spelling of 121333213200 in words is "one hundred twenty-one billion, three hundred thirty-three million, two hundred thirteen thousand, two hundred".