100700212 has 24 divisors (see below), whose sum is σ = 180129096. Its totient is φ = 49241088.

The previous prime is 100700191. The next prime is 100700219. The reversal of 100700212 is 212007001.

It can be written as a sum of positive squares in 4 ways, for example, as 3006756 + 97693456 = 1734^2 + 9884^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100700192 and 100700201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100700219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91248 + ... + 92344.

It is an arithmetic number, because the mean of its divisors is an integer number (7505379).

Almost surely, 2^100700212 is an apocalyptic number.

It is an amenable number.

100700212 is a deficient number, since it is larger than the sum of its proper divisors (79428884).

100700212 is a wasteful number, since it uses less digits than its factorization.

100700212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587 (or 1585 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 100700212 is about 10034.9495265298. The cubic root of 100700212 is about 465.2397299340.

Adding to 100700212 its reverse (212007001), we get a palindrome (312707213).

The spelling of 100700212 in words is "one hundred million, seven hundred thousand, two hundred twelve".