100049812 has 6 divisors (see below), whose sum is σ = 175087178. Its totient is φ = 50024904.

The previous prime is 100049779. The next prime is 100049819. The reversal of 100049812 is 218940001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 87347716 + 12702096 = 9346^2 + 3564^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100049819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12506223 + ... + 12506230.

Almost surely, 2^100049812 is an apocalyptic number.

It is an amenable number.

100049812 is a deficient number, since it is larger than the sum of its proper divisors (75037366).

100049812 is a wasteful number, since it uses less digits than its factorization.

100049812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25012457 (or 25012455 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 100049812 is about 10002.4902899228. The cubic root of 100049812 is about 464.2359395093.

Adding to 100049812 its reverse (218940001), we get a palindrome (318989813).

The spelling of 100049812 in words is "one hundred million, forty-nine thousand, eight hundred twelve".