1330312212 has 36 divisors (see below), whose sum is σ = 3363849216. Its totient is φ = 443290320.

The previous prime is 1330312187. The next prime is 1330312213. The reversal of 1330312212 is 2122130331.

1330312212 is a `hidden beast` number, since 1 + 330 + 312 + 21 + 2 = 666.

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

It is a super-3 number, since 3×1330312212³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330312213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189037 + ... + 195947.

It is an arithmetic number, because the mean of its divisors is an integer number (93440256).

Almost surely, 2^1330312212 is an apocalyptic number.

1330312212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1330312212 is an abundant number, since it is smaller than the sum of its proper divisors (2033537004).

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

1330312212 is a wasteful number, since it uses less digits than its factorization.

1330312212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12268 (or 12263 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1330312212 is about 36473.4452992859. The cubic root of 1330312212 is about 1099.8104940759.

Adding to 1330312212 its reverse (2122130331), we get a palindrome (3452442543).

The spelling of 1330312212 in words is "one billion, three hundred thirty million, three hundred twelve thousand, two hundred twelve".