121112105124504 has 128 divisors (see below), whose sum is σ = 345764716597440. Its totient is φ = 35021073088512.

The previous prime is 121112105124469. The next prime is 121112105124523. The reversal of 121112105124504 is 405421501211121.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 13394827 + ... + 20534010.

Almost surely, 2^{121112105124504} is an apocalyptic number.

It is an amenable number.

121112105124504 is an abundant number, since it is smaller than the sum of its proper divisors (224652611472936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121112105124504 is a wasteful number, since it uses less digits than its factorization.

121112105124504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33929549 (or 33929545 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 30.

Adding to 121112105124504 its reverse (405421501211121), we get a palindrome (526533606335625).

The spelling of 121112105124504 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred five million, one hundred twenty-four thousand, five hundred four".