1329447212 has 12 divisors (see below), whose sum is σ = 2344293336. Its totient is φ = 659649120.

The previous prime is 1329447193. The next prime is 1329447247. The reversal of 1329447212 is 2127449231.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1268033 + ... + 1269080.

It is an arithmetic number, because the mean of its divisors is an integer number (195357778).

Almost surely, 2^1329447212 is an apocalyptic number.

It is an amenable number.

1329447212 is a deficient number, since it is larger than the sum of its proper divisors (1014846124).

1329447212 is a wasteful number, since it uses less digits than its factorization.

1329447212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537248 (or 2537246 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 1329447212 is about 36461.5854290512. The cubic root of 1329447212 is about 1099.5720682545.

It can be divided in two parts, 13294 and 47212, that added together give a palindrome (60506).

The spelling of 1329447212 in words is "one billion, three hundred twenty-nine million, four hundred forty-seven thousand, two hundred twelve".