453220012 has 18 divisors (see below), whose sum is σ = 922626852. Its totient is φ = 194237064.

The previous prime is 453220003. The next prime is 453220069. The reversal of 453220012 is 210022354.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1155978 + ... + 1156369.

Almost surely, 2^453220012 is an apocalyptic number.

It is an amenable number.

453220012 is an abundant number, since it is smaller than the sum of its proper divisors (469406840).

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

453220012 is a wasteful number, since it uses less digits than its factorization.

453220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312365 (or 2312356 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 453220012 is about 21288.9645591325. The cubic root of 453220012 is about 768.1328867095.

Adding to 453220012 its reverse (210022354), we get a palindrome (663242366).

The spelling of 453220012 in words is "four hundred fifty-three million, two hundred twenty thousand, twelve".