421069912200 has 288 divisors, whose sum is σ = 1631801808000. Its totient is φ = 95309844480.

The previous prime is 421069912139. The next prime is 421069912223. The reversal of 421069912200 is 2219960124.

421069912200 is a `hidden beast` number, since 421 + 0 + 6 + 9 + 9 + 1 + 220 + 0 = 666.

It is a Cunningham number, because it is equal to 648899²-1.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1135576 + ... + 1460024.

It is an arithmetic number, because the mean of its divisors is an integer number (5665978500).

Almost surely, 2^421069912200 is an apocalyptic number.

421069912200 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 421069912200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (815900904000).

421069912200 is an abundant number, since it is smaller than the sum of its proper divisors (1210731895800).

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

421069912200 is a wasteful number, since it uses less digits than its factorization.

421069912200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324581 (or 324569 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 421069912200 in words is "four hundred twenty-one billion, sixty-nine million, nine hundred twelve thousand, two hundred".