121503083228120 has 64 divisors (see below), whose sum is σ = 298281644151840. Its totient is φ = 44176005504000.

The previous prime is 121503083228077. The next prime is 121503083228209. The reversal of 121503083228120 is 21822380305121.

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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18860981 + ... + 24469220.

Almost surely, 2^{121503083228120} is an apocalyptic number.

121503083228120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121503083228120 is an abundant number, since it is smaller than the sum of its proper divisors (176778560923720).

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

121503083228120 is a wasteful number, since it uses less digits than its factorization.

121503083228120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43336596 (or 43336592 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 121503083228120 in words is "one hundred twenty-one trillion, five hundred three billion, eighty-three million, two hundred twenty-eight thousand, one hundred twenty".