229303951812 has 96 divisors (see below), whose sum is σ = 640529285760. Its totient is φ = 70521183360.

The previous prime is 229303951787. The next prime is 229303951829. The reversal of 229303951812 is 218159303922.

229303951812 is a `hidden beast` number, since 2 + 2 + 93 + 0 + 39 + 518 + 12 = 666.

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 31 ways as a sum of consecutive naturals, for example, 2967823 + ... + 3044105.

It is an arithmetic number, because the mean of its divisors is an integer number (6672180060).

Almost surely, 2^229303951812 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 229303951812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320264642880).

229303951812 is an abundant number, since it is smaller than the sum of its proper divisors (411225333948).

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

229303951812 is a wasteful number, since it uses less digits than its factorization.

229303951812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78450 (or 78442 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 229303951812 in words is "two hundred twenty-nine billion, three hundred three million, nine hundred fifty-one thousand, eight hundred twelve".