11312224612 has 24 divisors (see below), whose sum is σ = 21396184376. Its totient is φ = 5202171648.

The previous prime is 11312224607. The next prime is 11312224621. The reversal of 11312224612 is 21642221311.

It can be written as a sum of positive squares in 4 ways, for example, as 607425316 + 10704799296 = 24646^2 + 103464^2 .

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, 378273 + ... + 407080.

Almost surely, 2^11312224612 is an apocalyptic number.

It is an amenable number.

11312224612 is a deficient number, since it is larger than the sum of its proper divisors (10083959764).

11312224612 is a wasteful number, since it uses less digits than its factorization.

11312224612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785647 (or 785645 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

Adding to 11312224612 its reverse (21642221311), we get a palindrome (32954445923).

The spelling of 11312224612 in words is "eleven billion, three hundred twelve million, two hundred twenty-four thousand, six hundred twelve".