1330221212 has 24 divisors (see below), whose sum is σ = 2348341632. Its totient is φ = 659286000.

The previous prime is 1330221203. The next prime is 1330221223. The reversal of 1330221212 is 2121220331.

It is a super-3 number, since 3×1330221212³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313787 + ... + 317997.

It is an arithmetic number, because the mean of its divisors is an integer number (97847568).

Almost surely, 2^1330221212 is an apocalyptic number.

It is an amenable number.

1330221212 is a deficient number, since it is larger than the sum of its proper divisors (1018120420).

1330221212 is a wasteful number, since it uses less digits than its factorization.

1330221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4889 (or 4887 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1330221212 is about 36472.1977950329. The cubic root of 1330221212 is about 1099.7854159937.

Adding to 1330221212 its reverse (2121220331), we get a palindrome (3451441543).

The spelling of 1330221212 in words is "one billion, three hundred thirty million, two hundred twenty-one thousand, two hundred twelve".