12121110102212 has 48 divisors (see below), whose sum is σ = 21556419760512. Its totient is φ = 5962941738240.

The previous prime is 12121110102209. The next prime is 12121110102229. The reversal of 12121110102212 is 21220101112121.

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 15 ways as a sum of consecutive naturals, for example, 105502343 + ... + 105617169.

It is an arithmetic number, because the mean of its divisors is an integer number (449092078344).

Almost surely, 2^{12121110102212} is an apocalyptic number.

It is an amenable number.

12121110102212 is a deficient number, since it is larger than the sum of its proper divisors (9435309658300).

12121110102212 is a wasteful number, since it uses less digits than its factorization.

12121110102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116588 (or 116586 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12121110102212 its reverse (21220101112121), we get a palindrome (33341211214333).

The spelling of 12121110102212 in words is "twelve trillion, one hundred twenty-one billion, one hundred ten million, one hundred two thousand, two hundred twelve".