11320313212 has 48 divisors (see below), whose sum is σ = 22090642560. Its totient is φ = 5039903232.

The previous prime is 11320313189. The next prime is 11320313239. The reversal of 11320313212 is 21231302311.

It is a self number, because there is not a number n which added to its sum of digits gives 11320313212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1998288 + ... + 2003944.

It is an arithmetic number, because the mean of its divisors is an integer number (460221720).

Almost surely, 2^11320313212 is an apocalyptic number.

It is an amenable number.

11320313212 is a deficient number, since it is larger than the sum of its proper divisors (10770329348).

11320313212 is a wasteful number, since it uses less digits than its factorization.

11320313212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7030 (or 7028 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11320313212 its reverse (21231302311), we get a palindrome (32551615523).

The spelling of 11320313212 in words is "eleven billion, three hundred twenty million, three hundred thirteen thousand, two hundred twelve".