33243032412 has 36 divisors (see below), whose sum is σ = 84169490496. Its totient is φ = 11062748160.

The previous prime is 33243032387. The next prime is 33243032419. The reversal of 33243032412 is 21423034233.

33243032412 is a `hidden beast` number, since 3 + 3 + 243 + 0 + 3 + 2 + 412 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×33243032412² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33243032419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 738789 + ... + 782492.

Almost surely, 2^33243032412 is an apocalyptic number.

It is an amenable number.

33243032412 is an abundant number, since it is smaller than the sum of its proper divisors (50926458084).

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

33243032412 is a wasteful number, since it uses less digits than its factorization.

33243032412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521898 (or 1521893 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 33243032412 its reverse (21423034233), we get a palindrome (54666066645).

The spelling of 33243032412 in words is "thirty-three billion, two hundred forty-three million, thirty-two thousand, four hundred twelve".