11232123212 has 6 divisors (see below), whose sum is σ = 19656215628. Its totient is φ = 5616061604.

The previous prime is 11232123131. The next prime is 11232123223. The reversal of 11232123212 is 21232123211.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1404015398 + ... + 1404015405.

It is an arithmetic number, because the mean of its divisors is an integer number (3276035938).

Almost surely, 2^11232123212 is an apocalyptic number.

It is an amenable number.

11232123212 is a deficient number, since it is larger than the sum of its proper divisors (8424092416).

11232123212 is a wasteful number, since it uses less digits than its factorization.

11232123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808030807 (or 2808030805 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

Adding to 11232123212 its reverse (21232123211), we get a palindrome (32464246423).

Subtracting 11232123212 from its reverse (21232123211), we obtain a palindrome (9999999999).

The spelling of 11232123212 in words is "eleven billion, two hundred thirty-two million, one hundred twenty-three thousand, two hundred twelve".