33143211212 has 12 divisors (see below), whose sum is σ = 58011985920. Its totient is φ = 16568358096.

The previous prime is 33143211197. The next prime is 33143211217. The reversal of 33143211212 is 21211234133.

It is not an unprimeable number, because it can be changed into a prime (33143211217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788843 + ... + 829794.

It is an arithmetic number, because the mean of its divisors is an integer number (4834332160).

Almost surely, 2^33143211212 is an apocalyptic number.

It is an amenable number.

33143211212 is a deficient number, since it is larger than the sum of its proper divisors (24868774708).

33143211212 is a wasteful number, since it uses less digits than its factorization.

33143211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623760 (or 1623758 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

Adding to 33143211212 its reverse (21211234133), we get a palindrome (54354445345).

The spelling of 33143211212 in words is "thirty-three billion, one hundred forty-three million, two hundred eleven thousand, two hundred twelve".