11231212333 has 16 divisors (see below), whose sum is σ = 13118734080. Its totient is φ = 9501606400.

The previous prime is 11231212331. The next prime is 11231212387. The reversal of 11231212333 is 33321213211.

It is not a de Polignac number, because 11231212333 - 2¹ = 11231212331 is a prime.

It is a super-2 number, since 2×11231212333² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231212331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320773 + ... + 354058.

It is an arithmetic number, because the mean of its divisors is an integer number (819920880).

Almost surely, 2^11231212333 is an apocalyptic number.

It is an amenable number.

11231212333 is a deficient number, since it is larger than the sum of its proper divisors (1887521747).

11231212333 is a wasteful number, since it uses less digits than its factorization.

11231212333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674948.

The product of its digits is 648, while the sum is 22.

Adding to 11231212333 its reverse (33321213211), we get a palindrome (44552425544).

The spelling of 11231212333 in words is "eleven billion, two hundred thirty-one million, two hundred twelve thousand, three hundred thirty-three".