33212212103 has 12 divisors (see below), whose sum is σ = 38699146800. Its totient is φ = 28420060032.

The previous prime is 33212212081. The next prime is 33212212109. The reversal of 33212212103 is 30121221233.

It is a de Polignac number, because none of the positive numbers 2^k-33212212103 is a prime.

It is a super-2 number, since 2×33212212103² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33212212109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 536426 + ... + 595127.

It is an arithmetic number, because the mean of its divisors is an integer number (3224928900).

Almost surely, 2^33212212103 is an apocalyptic number.

33212212103 is a deficient number, since it is larger than the sum of its proper divisors (5486934697).

33212212103 is a wasteful number, since it uses less digits than its factorization.

33212212103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132166 (or 1132159 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 33212212103 its reverse (30121221233), we get a palindrome (63333433336).

The spelling of 33212212103 in words is "thirty-three billion, two hundred twelve million, two hundred twelve thousand, one hundred three".