11433220312 has 32 divisors (see below), whose sum is σ = 22269492000. Its totient is φ = 5498617600.

The previous prime is 11433220231. The next prime is 11433220349. The reversal of 11433220312 is 21302233411.

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, 222187 + ... + 268762.

It is an arithmetic number, because the mean of its divisors is an integer number (695921625).

Almost surely, 2^11433220312 is an apocalyptic number.

It is an amenable number.

11433220312 is a deficient number, since it is larger than the sum of its proper divisors (10836271688).

11433220312 is a wasteful number, since it uses less digits than its factorization.

11433220312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491067 (or 491063 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 11433220312 its reverse (21302233411), we get a palindrome (32735453723).

The spelling of 11433220312 in words is "eleven billion, four hundred thirty-three million, two hundred twenty thousand, three hundred twelve".