100530212 has 6 divisors (see below), whose sum is σ = 175927878. Its totient is φ = 50265104.

The previous prime is 100530203. The next prime is 100530229. The reversal of 100530212 is 212035001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 90136036 + 10394176 = 9494^2 + 3224^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12566273 + ... + 12566280.

It is an arithmetic number, because the mean of its divisors is an integer number (29321313).

Almost surely, 2^100530212 is an apocalyptic number.

It is an amenable number.

100530212 is a deficient number, since it is larger than the sum of its proper divisors (75397666).

100530212 is a wasteful number, since it uses less digits than its factorization.

100530212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25132557 (or 25132555 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 100530212 is about 10026.4755522566. The cubic root of 100530212 is about 464.9777797992.

Adding to 100530212 its reverse (212035001), we get a palindrome (312565213).

The spelling of 100530212 in words is "one hundred million, five hundred thirty thousand, two hundred twelve".