100033012 has 6 divisors (see below), whose sum is σ = 175057778. Its totient is φ = 50016504.

The previous prime is 100033009. The next prime is 100033013. The reversal of 100033012 is 210330001.

It can be written as a sum of positive squares in only one way, i.e., 84713616 + 15319396 = 9204^2 + 3914^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100033012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100033013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12504123 + ... + 12504130.

Almost surely, 2^100033012 is an apocalyptic number.

It is an amenable number.

100033012 is a deficient number, since it is larger than the sum of its proper divisors (75024766).

100033012 is a wasteful number, since it uses less digits than its factorization.

100033012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25008257 (or 25008255 counting only the distinct ones).

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

The square root of 100033012 is about 10001.6504637985. The cubic root of 100033012 is about 464.2099537854.

Adding to 100033012 its reverse (210330001), we get a palindrome (310363013).

The spelling of 100033012 in words is "one hundred million, thirty-three thousand, twelve".