121376496480 has 48 divisors (see below), whose sum is σ = 382335965424. Its totient is φ = 32367065600.

The previous prime is 121376496361. The next prime is 121376496481. The reversal of 121376496480 is 84694673121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121376496481) 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, 126433371 + ... + 126434330.

It is an arithmetic number, because the mean of its divisors is an integer number (7965332613).

Almost surely, 2^121376496480 is an apocalyptic number.

121376496480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121376496480 is an abundant number, since it is smaller than the sum of its proper divisors (260959468944).

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

121376496480 is a wasteful number, since it uses less digits than its factorization.

121376496480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252867719 (or 252867711 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 121376496480 in words is "one hundred twenty-one billion, three hundred seventy-six million, four hundred ninety-six thousand, four hundred eighty".