421204104210 has 32 divisors (see below), whose sum is σ = 1011680317440. Its totient is φ = 112233264768.

The previous prime is 421204104199. The next prime is 421204104227. The reversal of 421204104210 is 12401402124.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5450347 + ... + 5527086.

It is an arithmetic number, because the mean of its divisors is an integer number (31615009920).

Almost surely, 2^421204104210 is an apocalyptic number.

421204104210 is an abundant number, since it is smaller than the sum of its proper divisors (590476213230).

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

421204104210 is a wasteful number, since it uses less digits than its factorization.

421204104210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10978722.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 421204104210 its reverse (12401402124), we get a palindrome (433605506334).

The spelling of 421204104210 in words is "four hundred twenty-one billion, two hundred four million, one hundred four thousand, two hundred ten".