11242431212 has 24 divisors (see below), whose sum is σ = 19766151552. Its totient is φ = 5595004800.

The previous prime is 11242431209. The next prime is 11242431217. The reversal of 11242431212 is 21213424211.

It is a super-3 number, since 3×11242431212³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11242431217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1108838 + ... + 1118930.

It is an arithmetic number, because the mean of its divisors is an integer number (823589648).

Almost surely, 2^11242431212 is an apocalyptic number.

It is an amenable number.

11242431212 is a deficient number, since it is larger than the sum of its proper divisors (8523720340).

11242431212 is a wasteful number, since it uses less digits than its factorization.

11242431212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11369 (or 11367 counting only the distinct ones).

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

Adding to 11242431212 its reverse (21213424211), we get a palindrome (32455855423).

The spelling of 11242431212 in words is "eleven billion, two hundred forty-two million, four hundred thirty-one thousand, two hundred twelve".