11212400244 has 24 divisors (see below), whose sum is σ = 26191787328. Its totient is φ = 3733249600.

The previous prime is 11212400233. The next prime is 11212400263. The reversal of 11212400244 is 44200421211.

It is a self number, because there is not a number n which added to its sum of digits gives 11212400244.

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, 516057 + ... + 537344.

It is an arithmetic number, because the mean of its divisors is an integer number (1091324472).

Almost surely, 2^11212400244 is an apocalyptic number.

It is an amenable number.

11212400244 is an abundant number, since it is smaller than the sum of its proper divisors (14979387084).

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

11212400244 is a wasteful number, since it uses less digits than its factorization.

11212400244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054295 (or 1054293 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11212400244 its reverse (44200421211), we get a palindrome (55412821455).

The spelling of 11212400244 in words is "eleven billion, two hundred twelve million, four hundred thousand, two hundred forty-four".