10212121010212 has 96 divisors (see below), whose sum is σ = 20218580097408. Its totient is φ = 4473033600000.

The previous prime is 10212121010207. The next prime is 10212121010213. The reversal of 10212121010212 is 21201012121201.

It is not an unprimeable number, because it can be changed into a prime (10212121010213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53601762 + ... + 53791942.

It is an arithmetic number, because the mean of its divisors is an integer number (210610209348).

Almost surely, 2^{10212121010212} is an apocalyptic number.

It is an amenable number.

10212121010212 is a deficient number, since it is larger than the sum of its proper divisors (10006459087196).

10212121010212 is a wasteful number, since it uses less digits than its factorization.

10212121010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190621 (or 190619 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10212121010212 its reverse (21201012121201), we get a palindrome (31413133131413).

The spelling of 10212121010212 in words is "ten trillion, two hundred twelve billion, one hundred twenty-one million, ten thousand, two hundred twelve".