1330121212 has 48 divisors (see below), whose sum is σ = 2692569600. Its totient is φ = 563169600.

The previous prime is 1330121203. The next prime is 1330121213. The reversal of 1330121212 is 2121210331.

It is a super-2 number, since 2×1330121212² = 3538444877224697888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330121213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 879537 + ... + 881047.

It is an arithmetic number, because the mean of its divisors is an integer number (56095200).

Almost surely, 2^1330121212 is an apocalyptic number.

It is an amenable number.

1330121212 is an abundant number, since it is smaller than the sum of its proper divisors (1362448388).

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

1330121212 is a wasteful number, since it uses less digits than its factorization.

1330121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882 (or 1880 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1330121212 is about 36470.8268620277. The cubic root of 1330121212 is about 1099.7578563426.

Adding to 1330121212 its reverse (2121210331), we get a palindrome (3451331543).

The spelling of 1330121212 in words is "one billion, three hundred thirty million, one hundred twenty-one thousand, two hundred twelve".