451002012 has 48 divisors (see below), whose sum is σ = 1143475200. Its totient is φ = 137825280.

The previous prime is 451002001. The next prime is 451002029. The reversal of 451002012 is 210200154.

It is a junction number, because it is equal to n+sod(n) for n = 451001982 and 451002000.

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 15 ways as a sum of consecutive naturals, for example, 24837 + ... + 38972.

It is an arithmetic number, because the mean of its divisors is an integer number (23822400).

Almost surely, 2^451002012 is an apocalyptic number.

It is an amenable number.

451002012 is an abundant number, since it is smaller than the sum of its proper divisors (692473188).

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

451002012 is a wasteful number, since it uses less digits than its factorization.

451002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63866 (or 63864 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 451002012 is about 21236.8079522324. The cubic root of 451002012 is about 766.8777894512.

Adding to 451002012 its reverse (210200154), we get a palindrome (661202166).

The spelling of 451002012 in words is "four hundred fifty-one million, two thousand, twelve".