11030231212 has 48 divisors (see below), whose sum is σ = 25917196032. Its totient is φ = 3966914880.

The previous prime is 11030231197. The next prime is 11030231257. The reversal of 11030231212 is 21213203011.

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, 1373398 + ... + 1381405.

It is an arithmetic number, because the mean of its divisors is an integer number (539941584).

Almost surely, 2^11030231212 is an apocalyptic number.

It is an amenable number.

11030231212 is an abundant number, since it is smaller than the sum of its proper divisors (14886964820).

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

11030231212 is a wasteful number, since it uses less digits than its factorization.

11030231212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754838 (or 2754836 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11030231212 its reverse (21213203011), we get a palindrome (32243434223).

It can be divided in two parts, 11030 and 231212, that added together give a palindrome (242242).

The spelling of 11030231212 in words is "eleven billion, thirty million, two hundred thirty-one thousand, two hundred twelve".