11322123212 has 12 divisors (see below), whose sum is σ = 19917453696. Its totient is φ = 5631422160.

The previous prime is 11322123203. The next prime is 11322123217. The reversal of 11322123212 is 21232122311.

It is not an unprimeable number, because it can be changed into a prime (11322123217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7409003 + ... + 7410530.

It is an arithmetic number, because the mean of its divisors is an integer number (1659787808).

Almost surely, 2^11322123212 is an apocalyptic number.

It is an amenable number.

11322123212 is a deficient number, since it is larger than the sum of its proper divisors (8595330484).

11322123212 is a wasteful number, since it uses less digits than its factorization.

11322123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14819728 (or 14819726 counting only the distinct ones).

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

Adding to 11322123212 its reverse (21232122311), we get a palindrome (32554245523).

Subtracting 11322123212 from its reverse (21232122311), we obtain a palindrome (9909999099).

The spelling of 11322123212 in words is "eleven billion, three hundred twenty-two million, one hundred twenty-three thousand, two hundred twelve".