329613012 has 36 divisors (see below), whose sum is σ = 846852916. Its totient is φ = 108069120.

The previous prime is 329613001. The next prime is 329613019. The reversal of 329613012 is 210316923.

329613012 is a `hidden beast` number, since 32 + 9 + 613 + 0 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 59536656 + 270076356 = 7716^2 + 16434^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329613019) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 72853 + ... + 77244.

Almost surely, 2^329613012 is an apocalyptic number.

It is an amenable number.

329613012 is an abundant number, since it is smaller than the sum of its proper divisors (517239904).

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

329613012 is a wasteful number, since it uses less digits than its factorization.

329613012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150168 (or 150163 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 329613012 is about 18155.2475058866. The cubic root of 329613012 is about 690.7720909907.

Adding to 329613012 its reverse (210316923), we get a palindrome (539929935).

The spelling of 329613012 in words is "three hundred twenty-nine million, six hundred thirteen thousand, twelve".