451212232 has 24 divisors (see below), whose sum is σ = 898721010. Its totient is φ = 212334080.

The previous prime is 451212221. The next prime is 451212233. The reversal of 451212232 is 232212154.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 450882756 + 329476 = 21234^2 + 574^2 .

It is not an unprimeable number, because it can be changed into a prime (451212233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 95269 + ... + 99892.

Almost surely, 2^451212232 is an apocalyptic number.

It is an amenable number.

451212232 is a deficient number, since it is larger than the sum of its proper divisors (447508778).

451212232 is a wasteful number, since it uses less digits than its factorization.

451212232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195201 (or 195180 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 451212232 is about 21241.7568011688. The cubic root of 451212232 is about 766.9969227019.

Adding to 451212232 its reverse (232212154), we get a palindrome (683424386).

It can be divided in two parts, 4512122 and 32, that added together give a palindrome (4512154).

The spelling of 451212232 in words is "four hundred fifty-one million, two hundred twelve thousand, two hundred thirty-two".