121010203112 has 16 divisors (see below), whose sum is σ = 227095116900. Its totient is φ = 60451505280.

The previous prime is 121010203049. The next prime is 121010203133. The reversal of 121010203112 is 211302010121.

It can be written as a sum of positive squares in 2 ways, for example, as 120052548196 + 957654916 = 346486^2 + 30946^2 .

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 3 ways as a sum of consecutive naturals, for example, 6689939 + ... + 6708002.

Almost surely, 2^121010203112 is an apocalyptic number.

It is an amenable number.

121010203112 is a deficient number, since it is larger than the sum of its proper divisors (106084913788).

121010203112 is a wasteful number, since it uses less digits than its factorization.

121010203112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13399076 (or 13399072 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 121010203112 its reverse (211302010121), we get a palindrome (332312213233).

The spelling of 121010203112 in words is "one hundred twenty-one billion, ten million, two hundred three thousand, one hundred twelve".