121210200100112 has 40 divisors (see below), whose sum is σ = 235402628208000. Its totient is φ = 60461161638912.

The previous prime is 121210200100079. The next prime is 121210200100139. The reversal of 121210200100112 is 211001002012121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71772389 + ... + 73441787.

It is an arithmetic number, because the mean of its divisors is an integer number (5885065705200).

Almost surely, 2^{121210200100112} is an apocalyptic number.

It is an amenable number.

121210200100112 is a deficient number, since it is larger than the sum of its proper divisors (114192428107888).

121210200100112 is a wasteful number, since it uses less digits than its factorization.

121210200100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680183 (or 1680177 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121210200100112 its reverse (211001002012121), we get a palindrome (332211202112233).

The spelling of 121210200100112 in words is "one hundred twenty-one trillion, two hundred ten billion, two hundred million, one hundred thousand, one hundred twelve".