1331412212 has 48 divisors (see below), whose sum is σ = 2541975744. Its totient is φ = 606528000.

The previous prime is 1331412191. The next prime is 1331412223. The reversal of 1331412212 is 2122141331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1641287 + ... + 1642097.

It is an arithmetic number, because the mean of its divisors is an integer number (52957828).

Almost surely, 2^1331412212 is an apocalyptic number.

It is an amenable number.

1331412212 is a deficient number, since it is larger than the sum of its proper divisors (1210563532).

1331412212 is a wasteful number, since it uses less digits than its factorization.

1331412212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200 (or 1198 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 1331412212 is about 36488.5216472249. The cubic root of 1331412212 is about 1100.1135453039.

Adding to 1331412212 its reverse (2122141331), we get a palindrome (3453553543).

The spelling of 1331412212 in words is "one billion, three hundred thirty-one million, four hundred twelve thousand, two hundred twelve".