33203223012 has 48 divisors (see below), whose sum is σ = 78268601600. Its totient is φ = 10954738080.

The previous prime is 33203222989. The next prime is 33203223013. The reversal of 33203223012 is 21032230233.

It is a super-2 number, since 2×33203223012² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33203223012.

It is not an unprimeable number, because it can be changed into a prime (33203223013) 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, 522039 + ... + 582177.

Almost surely, 2^33203223012 is an apocalyptic number.

It is an amenable number.

33203223012 is an abundant number, since it is smaller than the sum of its proper divisors (45065378588).

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

33203223012 is a wasteful number, since it uses less digits than its factorization.

33203223012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60616 (or 60614 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 33203223012 its reverse (21032230233), we get a palindrome (54235453245).

The spelling of 33203223012 in words is "thirty-three billion, two hundred three million, two hundred twenty-three thousand, twelve".