305001012 has 96 divisors (see below), whose sum is σ = 773587584. Its totient is φ = 93184000.

The previous prime is 305001007. The next prime is 305001023. The reversal of 305001012 is 210100503.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2328187 + ... + 2328317.

It is an arithmetic number, because the mean of its divisors is an integer number (8058204).

Almost surely, 2^305001012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 305001012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386793792).

305001012 is an abundant number, since it is smaller than the sum of its proper divisors (468586572).

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

305001012 is a wasteful number, since it uses less digits than its factorization.

305001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 305001012 is about 17464.2781700247. The cubic root of 305001012 is about 673.1322942166.

Adding to 305001012 its reverse (210100503), we get a palindrome (515101515).

The spelling of 305001012 in words is "three hundred five million, one thousand, twelve".