421302112 has 96 divisors (see below), whose sum is σ = 1051432704. Its totient is φ = 161395200.

The previous prime is 421302103. The next prime is 421302139. The reversal of 421302112 is 211203124.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

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, 148903 + ... + 151705.

It is an arithmetic number, because the mean of its divisors is an integer number (10952424).

Almost surely, 2^421302112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421302112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525716352).

421302112 is an abundant number, since it is smaller than the sum of its proper divisors (630130592).

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

421302112 is a wasteful number, since it uses less digits than its factorization.

421302112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2892 (or 2884 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 421302112 is about 20525.6452273735. The cubic root of 421302112 is about 749.6603570282.

Adding to 421302112 its reverse (211203124), we get a palindrome (632505236).

The spelling of 421302112 in words is "four hundred twenty-one million, three hundred two thousand, one hundred twelve".