1234305216 has 70 divisors (see below), whose sum is σ = 3658882700. Its totient is φ = 411433344.

The previous prime is 1234305173. The next prime is 1234305229. The reversal of 1234305216 is 6125034321.

1234305216 is a `hidden beast` number, since 12 + 3 + 430 + 5 + 216 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 1234305216.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 113866 + ... + 124233.

Almost surely, 2^1234305216 is an apocalyptic number.

1234305216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1234305216 is an abundant number, since it is smaller than the sum of its proper divisors (2424577484).

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

1234305216 is an equidigital number, since it uses as much as digits as its factorization.

1234305216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238123 (or 238104 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1234305216 is about 35132.6801710316. The cubic root of 1234305216 is about 1072.6898915565.

Adding to 1234305216 its reverse (6125034321), we get a palindrome (7359339537).

The spelling of 1234305216 in words is "one billion, two hundred thirty-four million, three hundred five thousand, two hundred sixteen".