33212100000220 has 24 divisors (see below), whose sum is σ = 69811145587008. Its totient is φ = 13272318936000.

The previous prime is 33212100000203. The next prime is 33212100000253. The reversal of 33212100000220 is 2200000121233.

It is a super-2 number, since 2×33212100000220² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33212100000194 and 33212100000203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782544756 + ... + 782587195.

It is an arithmetic number, because the mean of its divisors is an integer number (2908797732792).

Almost surely, 2^{33212100000220} is an apocalyptic number.

It is an amenable number.

33212100000220 is an abundant number, since it is smaller than the sum of its proper divisors (36599045586788).

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

33212100000220 is a wasteful number, since it uses less digits than its factorization.

33212100000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565133021 (or 1565133019 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 33212100000220 its reverse (2200000121233), we get a palindrome (35412100121453).

The spelling of 33212100000220 in words is "thirty-three trillion, two hundred twelve billion, one hundred million, two hundred twenty", and thus it is an aban number.