10120121212 has 12 divisors (see below), whose sum is σ = 17882156656. Its totient is φ = 5010933600.

The previous prime is 10120121189. The next prime is 10120121227. The reversal of 10120121212 is 21212102101.

10120121212 is a modest number, since divided by 121212 gives 10120 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 10120121192 and 10120121201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12281289 + ... + 12282112.

Almost surely, 2^10120121212 is an apocalyptic number.

It is an amenable number.

10120121212 is a deficient number, since it is larger than the sum of its proper divisors (7762035444).

10120121212 is a wasteful number, since it uses less digits than its factorization.

10120121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24563508 (or 24563506 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10120121212 its reverse (21212102101), we get a palindrome (31332223313).

The spelling of 10120121212 in words is "ten billion, one hundred twenty million, one hundred twenty-one thousand, two hundred twelve".