33220534443212 has 12 divisors (see below), whose sum is σ = 58679261774280. Its totient is φ = 16455031079136.

The previous prime is 33220534443211. The next prime is 33220534443233. The reversal of 33220534443212 is 21234443502233.

It is a super-2 number, since 2×33220534443212² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33220534443211) 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 3 ways as a sum of consecutive naturals, for example, 38809035137 + ... + 38809035992.

It is an arithmetic number, because the mean of its divisors is an integer number (4889938481190).

Almost surely, 2^{33220534443212} is an apocalyptic number.

It is an amenable number.

33220534443212 is a deficient number, since it is larger than the sum of its proper divisors (25458727331068).

33220534443212 is a wasteful number, since it uses less digits than its factorization.

33220534443212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77618071240 (or 77618071238 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 38.

Adding to 33220534443212 its reverse (21234443502233), we get a palindrome (54454977945445).

The spelling of 33220534443212 in words is "thirty-three trillion, two hundred twenty billion, five hundred thirty-four million, four hundred forty-three thousand, two hundred twelve".