451212412 has 24 divisors (see below), whose sum is σ = 917723520. Its totient is φ = 190098480.

The previous prime is 451212403. The next prime is 451212427. The reversal of 451212412 is 214212154.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134914 + ... + 138217.

It is an arithmetic number, because the mean of its divisors is an integer number (38238480).

Almost surely, 2^451212412 is an apocalyptic number.

It is an amenable number.

451212412 is an abundant number, since it is smaller than the sum of its proper divisors (466511108).

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

451212412 is a wasteful number, since it uses less digits than its factorization.

451212412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273201 (or 273199 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 451212412 is about 21241.7610381060. The cubic root of 451212412 is about 766.9970246934.

Adding to 451212412 its reverse (214212154), we get a palindrome (665424566).

The spelling of 451212412 in words is "four hundred fifty-one million, two hundred twelve thousand, four hundred twelve".