11233533212 has 24 divisors (see below), whose sum is σ = 21809329920. Its totient is φ = 5019605360.

The previous prime is 11233533197. The next prime is 11233533319. The reversal of 11233533212 is 21233533211.

It is a congruent number.

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, 2161028 + ... + 2166219.

It is an arithmetic number, because the mean of its divisors is an integer number (908722080).

Almost surely, 2^11233533212 is an apocalyptic number.

It is an amenable number.

11233533212 is a deficient number, since it is larger than the sum of its proper divisors (10575796708).

11233533212 is a wasteful number, since it uses less digits than its factorization.

11233533212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4327321 (or 4327319 counting only the distinct ones).

The product of its digits is 3240, while the sum is 26.

Subtracting 11233533212 from its reverse (21233533211), we obtain a palindrome (9999999999).

It can be divided in two parts, 11233 and 533212, that added together give a palindrome (544445).

The spelling of 11233533212 in words is "eleven billion, two hundred thirty-three million, five hundred thirty-three thousand, two hundred twelve".