33103313212 has 12 divisors (see below), whose sum is σ = 58724371216. Its totient is φ = 16324921440.

The previous prime is 33103313209. The next prime is 33103313219. The reversal of 33103313212 is 21231330133.

It is a super-2 number, since 2×33103313212² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33103313219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56683464 + ... + 56684047.

Almost surely, 2^33103313212 is an apocalyptic number.

It is an amenable number.

33103313212 is a deficient number, since it is larger than the sum of its proper divisors (25621058004).

33103313212 is a wasteful number, since it uses less digits than its factorization.

33103313212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113367588 (or 113367586 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 33103313212 its reverse (21231330133), we get a palindrome (54334643345).

The spelling of 33103313212 in words is "thirty-three billion, one hundred three million, three hundred thirteen thousand, two hundred twelve".