10101212 has 24 divisors (see below), whose sum is σ = 19483632. Its totient is φ = 4544000.

The previous prime is 10101197. The next prime is 10101227. The reversal of 10101212 is 21210101.

10101212 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an interprime number because it is at equal distance from previous prime (10101197) and next prime (10101227).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 10101212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3308 + ... + 5580.

It is an arithmetic number, because the mean of its divisors is an integer number (811818).

Almost surely, 2^10101212 is an apocalyptic number.

It is an amenable number.

10101212 is a deficient number, since it is larger than the sum of its proper divisors (9382420).

10101212 is a wasteful number, since it uses less digits than its factorization.

10101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389 (or 2387 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 10101212 is about 3178.2403936770. The cubic root of 10101212 is about 216.1678793180.

Adding to 10101212 its reverse (21210101), we get a palindrome (31311313).

Subtracting 10101212 from its reverse (21210101), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 10101 and 212, that multiplied together give a palindrome (2141412).

The spelling of 10101212 in words is "ten million, one hundred one thousand, two hundred twelve".