10100212 has 6 divisors (see below), whose sum is σ = 17675378. Its totient is φ = 5050104.

The previous prime is 10100201. The next prime is 10100213. The reversal of 10100212 is 21200101.

It can be written as a sum of positive squares in only one way, i.e., 9960336 + 139876 = 3156^2 + 374^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10100195 and 10100204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100213) 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 as a sum of consecutive naturals, namely, 1262523 + ... + 1262530.

Almost surely, 2^10100212 is an apocalyptic number.

It is an amenable number.

10100212 is a deficient number, since it is larger than the sum of its proper divisors (7575166).

10100212 is a wasteful number, since it uses less digits than its factorization.

10100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525057 (or 2525055 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 10100212 is about 3178.0830700282. The cubic root of 10100212 is about 216.1607456852.

Adding to 10100212 its reverse (21200101), we get a palindrome (31300313).

The spelling of 10100212 in words is "ten million, one hundred thousand, two hundred twelve".