10001212 has 24 divisors (see below), whose sum is σ = 19312272. Its totient is φ = 4502400.

The previous prime is 10001209. The next prime is 10001213. The reversal of 10001212 is 21210001.

10001212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

10001212 is a modest number, since divided by 1212 gives 1000 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 10001195 and 10001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214 + ... + 4477.

It is an arithmetic number, because the mean of its divisors is an integer number (804678).

Almost surely, 2^10001212 is an apocalyptic number.

It is an amenable number.

10001212 is a deficient number, since it is larger than the sum of its proper divisors (9311060).

10001212 is a wasteful number, since it uses less digits than its factorization.

10001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4749 (or 4747 counting only the distinct ones).

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

The square root of 10001212 is about 3162.4692883884. The cubic root of 10001212 is about 215.4521725677.

Adding to 10001212 its reverse (21210001), we get a palindrome (31211213).

It can be divided in two parts, 10001 and 212, that multiplied together give a palindrome (2120212).

The spelling of 10001212 in words is "ten million, one thousand, two hundred twelve".