121334442200 has 24 divisors (see below), whose sum is σ = 282102578580. Its totient is φ = 48533776800.

The previous prime is 121334442181. The next prime is 121334442209. The reversal of 121334442200 is 2244433121.

It is a self number, because there is not a number n which added to its sum of digits gives 121334442200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121334442209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 303335906 + ... + 303336305.

Almost surely, 2^121334442200 is an apocalyptic number.

121334442200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121334442200 is an abundant number, since it is smaller than the sum of its proper divisors (160768136380).

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

121334442200 is a wasteful number, since it uses less digits than its factorization.

121334442200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606672227 (or 606672218 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 121334442200 its reverse (2244433121), we get a palindrome (123578875321).

The spelling of 121334442200 in words is "one hundred twenty-one billion, three hundred thirty-four million, four hundred forty-two thousand, two hundred".