11233220312 has 8 divisors (see below), whose sum is σ = 21062288100. Its totient is φ = 5616610152.

The previous prime is 11233220311. The next prime is 11233220329. The reversal of 11233220312 is 21302233211.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11233220311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702076262 + ... + 702076277.

Almost surely, 2^11233220312 is an apocalyptic number.

It is an amenable number.

11233220312 is a deficient number, since it is larger than the sum of its proper divisors (9829067788).

11233220312 is a wasteful number, since it uses less digits than its factorization.

11233220312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404152545 (or 1404152541 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11233220312 its reverse (21302233211), we get a palindrome (32535453523).

The spelling of 11233220312 in words is "eleven billion, two hundred thirty-three million, two hundred twenty thousand, three hundred twelve".