11313212312 has 32 divisors (see below), whose sum is σ = 21301628400. Its totient is φ = 5632828800.

The previous prime is 11313212257. The next prime is 11313212321. The reversal of 11313212312 is 21321231311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2147762 + ... + 2153022.

Almost surely, 2^11313212312 is an apocalyptic number.

It is an amenable number.

11313212312 is a deficient number, since it is larger than the sum of its proper divisors (9988416088).

11313212312 is a wasteful number, since it uses less digits than its factorization.

11313212312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6347 (or 6343 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

Adding to 11313212312 its reverse (21321231311), we get a palindrome (32634443623).

The spelling of 11313212312 in words is "eleven billion, three hundred thirteen million, two hundred twelve thousand, three hundred twelve".