11231343212 has 6 divisors (see below), whose sum is σ = 19654850628. Its totient is φ = 5615671604.

The previous prime is 11231343209. The next prime is 11231343239. The reversal of 11231343212 is 21234313211.

11231343212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11231343212² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1403917898 + ... + 1403917905.

It is an arithmetic number, because the mean of its divisors is an integer number (3275808438).

Almost surely, 2^11231343212 is an apocalyptic number.

It is an amenable number.

11231343212 is a deficient number, since it is larger than the sum of its proper divisors (8423507416).

11231343212 is a wasteful number, since it uses less digits than its factorization.

11231343212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807835807 (or 2807835805 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

Adding to 11231343212 its reverse (21234313211), we get a palindrome (32465656423).

The spelling of 11231343212 in words is "eleven billion, two hundred thirty-one million, three hundred forty-three thousand, two hundred twelve".