421233112 has 8 divisors (see below), whose sum is σ = 789812100. Its totient is φ = 210616552.

The previous prime is 421233103. The next prime is 421233133. The reversal of 421233112 is 211332124.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 421233112.

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 as a sum of consecutive naturals, namely, 26327062 + ... + 26327077.

Almost surely, 2^421233112 is an apocalyptic number.

It is an amenable number.

421233112 is a deficient number, since it is larger than the sum of its proper divisors (368578988).

421233112 is a wasteful number, since it uses less digits than its factorization.

421233112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52654145 (or 52654141 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 421233112 is about 20523.9643344067. The cubic root of 421233112 is about 749.6194288461.

Adding to 421233112 its reverse (211332124), we get a palindrome (632565236).

The spelling of 421233112 in words is "four hundred twenty-one million, two hundred thirty-three thousand, one hundred twelve".