33212213000 has 64 divisors (see below), whose sum is σ = 77782302000. Its totient is φ = 13273651200.

The previous prime is 33212212991. The next prime is 33212213017. The reversal of 33212213000 is 31221233.

It can be written as a sum of positive squares in 8 ways, for example, as 1264940356 + 31947272644 = 35566^2 + 178738^2 .

It is a super-2 number, since 2×33212213000² (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 33212213000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1223576 + ... + 1250424.

Almost surely, 2^33212213000 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 33212213000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38891151000).

33212213000 is an abundant number, since it is smaller than the sum of its proper divisors (44570089000).

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

33212213000 is a wasteful number, since it uses less digits than its factorization.

33212213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28107 (or 28093 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 33212213000 its reverse (31221233), we get a palindrome (33243434233).

The spelling of 33212213000 in words is "thirty-three billion, two hundred twelve million, two hundred thirteen thousand".