303212130 has 64 divisors (see below), whose sum is σ = 787207680. Its totient is φ = 74301696.

The previous prime is 303212113. The next prime is 303212131. The reversal of 303212130 is 31212303.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (303212131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91584 + ... + 94836.

It is an arithmetic number, because the mean of its divisors is an integer number (12300120).

Almost surely, 2^303212130 is an apocalyptic number.

303212130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 303212130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393603840).

303212130 is an abundant number, since it is smaller than the sum of its proper divisors (483995550).

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

303212130 is a wasteful number, since it uses less digits than its factorization.

303212130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3515.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 303212130 is about 17412.9873944708. The cubic root of 303212130 is about 671.8137017233.

Adding to 303212130 its reverse (31212303), we get a palindrome (334424433).

The spelling of 303212130 in words is "three hundred three million, two hundred twelve thousand, one hundred thirty".