12333021320 has 16 divisors (see below), whose sum is σ = 27749298060. Its totient is φ = 4933208512.

The previous prime is 12333021319. The next prime is 12333021341. The reversal of 12333021320 is 2312033321.

It can be written as a sum of positive squares in 2 ways, for example, as 11214386404 + 1118634916 = 105898^2 + 33446^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12333021292 and 12333021301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154162727 + ... + 154162806.

Almost surely, 2^12333021320 is an apocalyptic number.

12333021320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12333021320 is an abundant number, since it is smaller than the sum of its proper divisors (15416276740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12333021320 is a wasteful number, since it uses less digits than its factorization.

12333021320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308325544 (or 308325540 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12333021320 its reverse (2312033321), we get a palindrome (14645054641).

The spelling of 12333021320 in words is "twelve billion, three hundred thirty-three million, twenty-one thousand, three hundred twenty".