1331332011212 has 12 divisors (see below), whose sum is σ = 2662664022480. Its totient is φ = 570570861936.

The previous prime is 1331332011173. The next prime is 1331332011253. The reversal of 1331332011212 is 2121102331331.

1331332011212 is an admirable number.

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, 23773785887 + ... + 23773785942.

It is an arithmetic number, because the mean of its divisors is an integer number (221888668540).

Almost surely, 2^{1331332011212} is an apocalyptic number.

It is an amenable number.

1331332011212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1331332011212 is a wasteful number, since it uses less digits than its factorization.

1331332011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47547571840 (or 47547571838 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1331332011212 its reverse (2121102331331), we get a palindrome (3452434342543).

The spelling of 1331332011212 in words is "one trillion, three hundred thirty-one billion, three hundred thirty-two million, eleven thousand, two hundred twelve".