33143413504212 has 144 divisors (see below), whose sum is σ = 95380334404992. Its totient is φ = 9605663907840.

The previous prime is 33143413504211. The next prime is 33143413504217. The reversal of 33143413504212 is 21240531434133.

33143413504212 is a `hidden beast` number, since 3 + 3 + 1 + 434 + 1 + 3 + 5 + 0 + 4 + 212 = 666.

It is a super-2 number, since 2×33143413504212² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33143413504211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79368348 + ... + 79784844.

It is an arithmetic number, because the mean of its divisors is an integer number (662363433368).

Almost surely, 2^{33143413504212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33143413504212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47690167202496).

33143413504212 is an abundant number, since it is smaller than the sum of its proper divisors (62236920900780).

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

33143413504212 is a wasteful number, since it uses less digits than its factorization.

33143413504212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425278 (or 425273 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 33143413504212 its reverse (21240531434133), we get a palindrome (54383944938345).

The spelling of 33143413504212 in words is "thirty-three trillion, one hundred forty-three billion, four hundred thirteen million, five hundred four thousand, two hundred twelve".