11212222012312 has 16 divisors (see below), whose sum is σ = 21023217646200. Its totient is φ = 5606030640000.

The previous prime is 11212222012249. The next prime is 11212222012367. The reversal of 11212222012312 is 21321022221211.

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, 9450762 + ... + 10570777.

Almost surely, 2^{11212222012312} is an apocalyptic number.

It is an amenable number.

11212222012312 is a deficient number, since it is larger than the sum of its proper divisors (9810995633888).

11212222012312 is a wasteful number, since it uses less digits than its factorization.

11212222012312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20091546 (or 20091542 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 11212222012312 its reverse (21321022221211), we get a palindrome (32533244233523).

The spelling of 11212222012312 in words is "eleven trillion, two hundred twelve billion, two hundred twenty-two million, twelve thousand, three hundred twelve".