1213332313112 has 16 divisors (see below), whose sum is σ = 2275043325360. Its totient is φ = 606654093024.

The previous prime is 1213332313087. The next prime is 1213332313117. The reversal of 1213332313112 is 2113132333121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213332313117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073108 + ... + 1891619.

It is an arithmetic number, because the mean of its divisors is an integer number (142190207835).

Almost surely, 2^{1213332313112} is an apocalyptic number.

It is an amenable number.

1213332313112 is a deficient number, since it is larger than the sum of its proper divisors (1061711012248).

1213332313112 is a wasteful number, since it uses less digits than its factorization.

1213332313112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3015890 (or 3015886 counting only the distinct ones).

The product of its digits is 1944, while the sum is 26.

Adding to 1213332313112 its reverse (2113132333121), we get a palindrome (3326464646233).

The spelling of 1213332313112 in words is "one trillion, two hundred thirteen billion, three hundred thirty-two million, three hundred thirteen thousand, one hundred twelve".