421201232200 has 48 divisors (see below), whose sum is σ = 1119191849280. Its totient is φ = 144411850560.

The previous prime is 421201232171. The next prime is 421201232201. The reversal of 421201232200 is 2232102124.

It is not an unprimeable number, because it can be changed into a prime (421201232201) 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 11 ways as a sum of consecutive naturals, for example, 150427612 + ... + 150430411.

It is an arithmetic number, because the mean of its divisors is an integer number (23316496860).

Almost surely, 2^421201232200 is an apocalyptic number.

421201232200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421201232200 is an abundant number, since it is smaller than the sum of its proper divisors (697990617080).

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

421201232200 is a wasteful number, since it uses less digits than its factorization.

421201232200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300858046 (or 300858037 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 421201232200 its reverse (2232102124), we get a palindrome (423433334324).

The spelling of 421201232200 in words is "four hundred twenty-one billion, two hundred one million, two hundred thirty-two thousand, two hundred".