11201023212 has 24 divisors (see below), whose sum is σ = 26137540800. Its totient is φ = 3733414416.

The previous prime is 11201023193. The next prime is 11201023247. The reversal of 11201023212 is 21232010211.

It is a junction number, because it is equal to n+sod(n) for n = 11201023191 and 11201023200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235239 + ... + 278817.

It is an arithmetic number, because the mean of its divisors is an integer number (1089064200).

Almost surely, 2^11201023212 is an apocalyptic number.

11201023212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11201023212 is an abundant number, since it is smaller than the sum of its proper divisors (14936517588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11201023212 is a wasteful number, since it uses less digits than its factorization.

11201023212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65005 (or 65003 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11201023212 its reverse (21232010211), we get a palindrome (32433033423).

The spelling of 11201023212 in words is "eleven billion, two hundred one million, twenty-three thousand, two hundred twelve".