121560070720 has 112 divisors (see below), whose sum is σ = 321738516288. Its totient is φ = 43369564160.

The previous prime is 121560070717. The next prime is 121560070747. The reversal of 121560070720 is 27070065121.

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 15 ways as a sum of consecutive naturals, for example, 139234 + ... + 512353.

It is an arithmetic number, because the mean of its divisors is an integer number (2872665324).

Almost surely, 2^121560070720 is an apocalyptic number.

121560070720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121560070720 is an abundant number, since it is smaller than the sum of its proper divisors (200178445568).

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

121560070720 is a wasteful number, since it uses less digits than its factorization.

121560070720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651668 (or 651658 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 31.

The spelling of 121560070720 in words is "one hundred twenty-one billion, five hundred sixty million, seventy thousand, seven hundred twenty".