33210000012 has 144 divisors (see below), whose sum is σ = 92819767040. Its totient is φ = 9052331904.

The previous prime is 33209999993. The next prime is 33210000017. The reversal of 33210000012 is 21000001233.

It is a happy number.

It is a super-2 number, since 2×33210000012² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (33210000017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23239314 + ... + 23240742.

Almost surely, 2^33210000012 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 33210000012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46409883520).

33210000012 is an abundant number, since it is smaller than the sum of its proper divisors (59609767028).

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

33210000012 is a wasteful number, since it uses less digits than its factorization.

33210000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012 (or 1987 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 33210000012 its reverse (21000001233), we get a palindrome (54210001245).

It can be divided in two parts, 33 and 210000012, that multiplied together give a palindrome (6930000396).

The spelling of 33210000012 in words is "thirty-three billion, two hundred ten million, twelve", and thus it is an aban number.