12311133332 has 6 divisors (see below), whose sum is σ = 21544483338. Its totient is φ = 6155566664.

The previous prime is 12311133283. The next prime is 12311133403. The reversal of 12311133332 is 23333111321.

It can be written as a sum of positive squares in only one way, i.e., 6646162576 + 5664970756 = 81524^2 + 75266^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12311133298 and 12311133307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1538891663 + ... + 1538891670.

It is an arithmetic number, because the mean of its divisors is an integer number (3590747223).

Almost surely, 2^12311133332 is an apocalyptic number.

It is an amenable number.

12311133332 is a deficient number, since it is larger than the sum of its proper divisors (9233350006).

12311133332 is a wasteful number, since it uses less digits than its factorization.

12311133332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077783337 (or 3077783335 counting only the distinct ones).

The product of its digits is 972, while the sum is 23.

Adding to 12311133332 its reverse (23333111321), we get a palindrome (35644244653).

The spelling of 12311133332 in words is "twelve billion, three hundred eleven million, one hundred thirty-three thousand, three hundred thirty-two".