121063713621720 has 32 divisors (see below), whose sum is σ = 363191140865520. Its totient is φ = 32283656965760.

The previous prime is 121063713621671. The next prime is 121063713621733. The reversal of 121063713621720 is 27126317360121.

It is a congruent number.

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, 504432139971 + ... + 504432140210.

Almost surely, 2^{121063713621720} is an apocalyptic number.

121063713621720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121063713621720 is an abundant number, since it is smaller than the sum of its proper divisors (242127427243800).

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

121063713621720 is a wasteful number, since it uses less digits than its factorization.

121063713621720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008864280195 (or 1008864280191 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 121063713621720 in words is "one hundred twenty-one trillion, sixty-three billion, seven hundred thirteen million, six hundred twenty-one thousand, seven hundred twenty".