133212313112 has 16 divisors (see below), whose sum is σ = 249778200840. Its totient is φ = 66604792896.

The previous prime is 133212313109. The next prime is 133212313141. The reversal of 133212313112 is 211313212331.

It is a congruent 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, 331748 + ... + 613580.

Almost surely, 2^133212313112 is an apocalyptic number.

It is an amenable number.

133212313112 is a deficient number, since it is larger than the sum of its proper divisors (116565887728).

133212313112 is a wasteful number, since it uses less digits than its factorization.

133212313112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340922 (or 340918 counting only the distinct ones).

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

Adding to 133212313112 its reverse (211313212331), we get a palindrome (344525525443).

The spelling of 133212313112 in words is "one hundred thirty-three billion, two hundred twelve million, three hundred thirteen thousand, one hundred twelve".