121648514016 has 48 divisors (see below), whose sum is σ = 319386052944. Its totient is φ = 40542050304.

The previous prime is 121648513999. The next prime is 121648514047. The reversal of 121648514016 is 610415846121.

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

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, 421320 + ... + 648696.

It is an arithmetic number, because the mean of its divisors is an integer number (6653876103).

Almost surely, 2^121648514016 is an apocalyptic number.

121648514016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121648514016 is an abundant number, since it is smaller than the sum of its proper divisors (197737538928).

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

121648514016 is a wasteful number, since it uses less digits than its factorization.

121648514016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232963 (or 232955 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 121648514016 in words is "one hundred twenty-one billion, six hundred forty-eight million, five hundred fourteen thousand, sixteen".