1331330212 has 24 divisors (see below), whose sum is σ = 2346624000. Its totient is φ = 660880896.

The previous prime is 1331330191. The next prime is 1331330219. The reversal of 1331330212 is 2120331331.

It is a self number, because there is not a number n which added to its sum of digits gives 1331330212.

It is not an unprimeable number, because it can be changed into a prime (1331330219) 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 7 ways as a sum of consecutive naturals, for example, 460989 + ... + 463867.

It is an arithmetic number, because the mean of its divisors is an integer number (97776000).

Almost surely, 2^1331330212 is an apocalyptic number.

It is an amenable number.

1331330212 is a deficient number, since it is larger than the sum of its proper divisors (1015293788).

1331330212 is a wasteful number, since it uses less digits than its factorization.

1331330212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675 (or 3673 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1331330212 is about 36487.3979888947. The cubic root of 1331330212 is about 1100.0909599713.

Adding to 1331330212 its reverse (2120331331), we get a palindrome (3451661543).

The spelling of 1331330212 in words is "one billion, three hundred thirty-one million, three hundred thirty thousand, two hundred twelve".