121520480080 has 80 divisors (see below), whose sum is σ = 284685778944. Its totient is φ = 48239400960.

The previous prime is 121520480077. The next prime is 121520480083. The reversal of 121520480080 is 80084025121.

121520480080 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (121520480077) and next prime (121520480083).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121520480083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6607057 + ... + 6625423.

Almost surely, 2^121520480080 is an apocalyptic number.

121520480080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121520480080 is an abundant number, since it is smaller than the sum of its proper divisors (163165298864).

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

121520480080 is a wasteful number, since it uses less digits than its factorization.

121520480080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19004 (or 18998 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The spelling of 121520480080 in words is "one hundred twenty-one billion, five hundred twenty million, four hundred eighty thousand, eighty".