421213112 has 16 divisors (see below), whose sum is σ = 792714600. Its totient is φ = 209822560.

The previous prime is 421213087. The next prime is 421213159. The reversal of 421213112 is 211312124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95714 + ... + 100017.

Almost surely, 2^421213112 is an apocalyptic number.

It is an amenable number.

421213112 is a deficient number, since it is larger than the sum of its proper divisors (371501488).

421213112 is a wasteful number, since it uses less digits than its factorization.

421213112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196006 (or 196002 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 421213112 is about 20523.4770933193. The cubic root of 421213112 is about 749.6075647693.

Adding to 421213112 its reverse (211312124), we get a palindrome (632525236).

The spelling of 421213112 in words is "four hundred twenty-one million, two hundred thirteen thousand, one hundred twelve".