121519360120 has 32 divisors (see below), whose sum is σ = 285306325920. Its totient is φ = 46494363520.

The previous prime is 121519360111. The next prime is 121519360163. The reversal of 121519360120 is 21063915121.

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 7 ways as a sum of consecutive naturals, for example, 66042211 + ... + 66044050.

It is an arithmetic number, because the mean of its divisors is an integer number (8915822685).

Almost surely, 2^121519360120 is an apocalyptic number.

121519360120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121519360120 is an abundant number, since it is smaller than the sum of its proper divisors (163786965800).

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

121519360120 is a wasteful number, since it uses less digits than its factorization.

121519360120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132086295 (or 132086291 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The spelling of 121519360120 in words is "one hundred twenty-one billion, five hundred nineteen million, three hundred sixty thousand, one hundred twenty".