33100012 has 12 divisors (see below), whose sum is σ = 63191016. Its totient is φ = 15045440.

The previous prime is 33100007. The next prime is 33100019. The reversal of 33100012 is 21000133.

It is a super-2 number, since 2×33100012² = 2191221588800288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33100019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376093 + ... + 376180.

It is an arithmetic number, because the mean of its divisors is an integer number (5265918).

Almost surely, 2^33100012 is an apocalyptic number.

It is an amenable number.

33100012 is a deficient number, since it is larger than the sum of its proper divisors (30091004).

33100012 is a wasteful number, since it uses less digits than its factorization.

33100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752288 (or 752286 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 33100012 is about 5753.2609883439. The cubic root of 33100012 is about 321.0771384509.

Adding to 33100012 its reverse (21000133), we get a palindrome (54100145).

The spelling of 33100012 in words is "thirty-three million, one hundred thousand, twelve".