11243212124 has 12 divisors (see below), whose sum is σ = 19677132048. Its totient is φ = 5621174400.

The previous prime is 11243212117. The next prime is 11243212147. The reversal of 11243212124 is 42121234211.

It is a self number, because there is not a number n which added to its sum of digits gives 11243212124.

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, 45272 + ... + 156639.

It is an arithmetic number, because the mean of its divisors is an integer number (1639761004).

Almost surely, 2^11243212124 is an apocalyptic number.

It is an amenable number.

11243212124 is a deficient number, since it is larger than the sum of its proper divisors (8433919924).

11243212124 is a wasteful number, since it uses less digits than its factorization.

11243212124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215836 (or 215834 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

Adding to 11243212124 its reverse (42121234211), we get a palindrome (53364446335).

The spelling of 11243212124 in words is "eleven billion, two hundred forty-three million, two hundred twelve thousand, one hundred twenty-four".