12816533330 has 16 divisors (see below), whose sum is σ = 23084198424. Its totient is φ = 5123404800.

The previous prime is 12816533311. The next prime is 12816533333. The reversal of 12816533330 is 3333561821.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10231929409 + 2584603921 = 101153^2 + 50839^2 .

It is not an unprimeable number, because it can be changed into a prime (12816533333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384257 + ... + 416276.

Almost surely, 2^12816533330 is an apocalyptic number.

12816533330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12816533330 is a deficient number, since it is larger than the sum of its proper divisors (10267665094).

12816533330 is a wasteful number, since it uses less digits than its factorization.

12816533330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802141.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 12816533330 in words is "twelve billion, eight hundred sixteen million, five hundred thirty-three thousand, three hundred thirty".