11212312 has 32 divisors (see below), whose sum is σ = 21614400. Its totient is φ = 5451264.

The previous prime is 11212291. The next prime is 11212319. The reversal of 11212312 is 21321211.

It is a junction number, because it is equal to n+sod(n) for n = 11212292 and 11212301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71338 + ... + 71494.

It is an arithmetic number, because the mean of its divisors is an integer number (675450).

Almost surely, 2^11212312 is an apocalyptic number.

It is an amenable number.

11212312 is a deficient number, since it is larger than the sum of its proper divisors (10402088).

11212312 is a wasteful number, since it uses less digits than its factorization.

11212312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 351 counting only the distinct ones).

The product of its digits is 24, while the sum is 13.

The square root of 11212312 is about 3348.4790577216. The cubic root of 11212312 is about 223.8197423115.

Adding to 11212312 its reverse (21321211), we get a palindrome (32533523).

The spelling of 11212312 in words is "eleven million, two hundred twelve thousand, three hundred twelve".