11100212312 has 32 divisors (see below), whose sum is σ = 23791360800. Its totient is φ = 4756195584.

The previous prime is 11100212309. The next prime is 11100212323. The reversal of 11100212312 is 21321200111.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 272678 + ... + 310730.

It is an arithmetic number, because the mean of its divisors is an integer number (743480025).

Almost surely, 2^11100212312 is an apocalyptic number.

It is an amenable number.

11100212312 is an abundant number, since it is smaller than the sum of its proper divisors (12691148488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11100212312 is a wasteful number, since it uses less digits than its factorization.

11100212312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43275 (or 43271 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11100212312 its reverse (21321200111), we get a palindrome (32421412423).

The spelling of 11100212312 in words is "eleven billion, one hundred million, two hundred twelve thousand, three hundred twelve".