33220103231212 has 24 divisors (see below), whose sum is σ = 58301890804976. Its totient is φ = 16562485352448.

The previous prime is 33220103231191. The next prime is 33220103231213. The reversal of 33220103231212 is 21213230102233.

It is a super-2 number, since 2×33220103231212² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33220103231213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6112353 + ... + 10188280.

Almost surely, 2^{33220103231212} is an apocalyptic number.

It is an amenable number.

33220103231212 is a deficient number, since it is larger than the sum of its proper divisors (25081787573764).

33220103231212 is a wasteful number, since it uses less digits than its factorization.

33220103231212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16302097 (or 16302095 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 33220103231212 its reverse (21213230102233), we get a palindrome (54433333333445).

The spelling of 33220103231212 in words is "thirty-three trillion, two hundred twenty billion, one hundred three million, two hundred thirty-one thousand, two hundred twelve".