121323032200 has 48 divisors (see below), whose sum is σ = 291175292160. Its totient is φ = 46963752000.

The previous prime is 121323032191. The next prime is 121323032209. The reversal of 121323032200 is 2230323121.

It is an interprime number because it is at equal distance from previous prime (121323032191) and next prime (121323032209).

It is not an unprimeable number, because it can be changed into a prime (121323032209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9777916 + ... + 9790315.

It is an arithmetic number, because the mean of its divisors is an integer number (6066151920).

Almost surely, 2^121323032200 is an apocalyptic number.

121323032200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121323032200 is an abundant number, since it is smaller than the sum of its proper divisors (169852259960).

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

121323032200 is a wasteful number, since it uses less digits than its factorization.

121323032200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19568278 (or 19568269 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 121323032200 its reverse (2230323121), we get a palindrome (123553355321).

The spelling of 121323032200 in words is "one hundred twenty-one billion, three hundred twenty-three million, thirty-two thousand, two hundred".