421211010 has 32 divisors (see below), whose sum is σ = 1102807872. Its totient is φ = 102111680.

The previous prime is 421210991. The next prime is 421211017. The reversal of 421211010 is 10112124.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (421211017) 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 15 ways as a sum of consecutive naturals, for example, 637869 + ... + 638528.

It is an arithmetic number, because the mean of its divisors is an integer number (34462746).

Almost surely, 2^421211010 is an apocalyptic number.

421211010 is an abundant number, since it is smaller than the sum of its proper divisors (681596862).

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

421211010 is a wasteful number, since it uses less digits than its factorization.

421211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276418.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 421211010 is about 20523.4258836092. The cubic root of 421211010 is about 749.6063178331.

Adding to 421211010 its reverse (10112124), we get a palindrome (431323134).

The spelling of 421211010 in words is "four hundred twenty-one million, two hundred eleven thousand, ten".