121885860120 has 32 divisors (see below), whose sum is σ = 365657580720. Its totient is φ = 32502896000.

The previous prime is 121885860101. The next prime is 121885860121. The reversal of 121885860120 is 21068588121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121885860121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507857631 + ... + 507857870.

Almost surely, 2^121885860120 is an apocalyptic number.

121885860120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121885860120 is an abundant number, since it is smaller than the sum of its proper divisors (243771720600).

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

121885860120 is a wasteful number, since it uses less digits than its factorization.

121885860120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015715515 (or 1015715511 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 42.

The spelling of 121885860120 in words is "one hundred twenty-one billion, eight hundred eighty-five million, eight hundred sixty thousand, one hundred twenty".