10100121212 has 24 divisors (see below), whose sum is σ = 18254134080. Its totient is φ = 4887069440.

The previous prime is 10100121193. The next prime is 10100121271. The reversal of 10100121212 is 21212100101.

10100121212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

10100121212 is a modest number, since divided by 121212 gives 10100 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 10100121193 and 10100121202.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 285089 + ... + 318552.

It is an arithmetic number, because the mean of its divisors is an integer number (760588920).

Almost surely, 2^10100121212 is an apocalyptic number.

It is an amenable number.

10100121212 is a deficient number, since it is larger than the sum of its proper divisors (8154012868).

10100121212 is a wasteful number, since it uses less digits than its factorization.

10100121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603781 (or 603779 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10100121212 its reverse (21212100101), we get a palindrome (31312221313).

The spelling of 10100121212 in words is "ten billion, one hundred million, one hundred twenty-one thousand, two hundred twelve".