421013232200 has 324 divisors, whose sum is σ = 1113009065595. Its totient is φ = 147993753600.

The previous prime is 421013232193. The next prime is 421013232203. The reversal of 421013232200 is 2232310124.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 131274333124 + 289738899076 = 362318^2 + 538274^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=458810.

It is a super-2 number, since 2×421013232200² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (421013232203) 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 80 ways as a sum of consecutive naturals, for example, 4340342552 + ... + 4340342648.

Almost surely, 2^421013232200 is an apocalyptic number.

421013232200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421013232200

421013232200 is an abundant number, since it is smaller than the sum of its proper divisors (691995833395).

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

421013232200 is a wasteful number, since it uses less digits than its factorization.

421013232200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 421013232200 its reverse (2232310124), we get a palindrome (423245542324).

The spelling of 421013232200 in words is "four hundred twenty-one billion, thirteen million, two hundred thirty-two thousand, two hundred".