121739248330992 has 40 divisors (see below), whose sum is σ = 349436731321680. Its totient is φ = 40579749443520.

The previous prime is 121739248330981. The next prime is 121739248331053. The reversal of 121739248330992 is 299033842937121.

121739248330992 is a `hidden beast` number, since 1 + 2 + 1 + 7 + 39 + 2 + 483 + 30 + 9 + 92 = 666.

121739248330992 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140901907359 + ... + 140901908222.

It is an arithmetic number, because the mean of its divisors is an integer number (8735918283042).

Almost surely, 2^{121739248330992} is an apocalyptic number.

121739248330992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121739248330992 is an abundant number, since it is smaller than the sum of its proper divisors (227697482990688).

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

121739248330992 is a wasteful number, since it uses less digits than its factorization.

121739248330992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281803815598 (or 281803815586 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 63.

The spelling of 121739248330992 in words is "one hundred twenty-one trillion, seven hundred thirty-nine billion, two hundred forty-eight million, three hundred thirty thousand, nine hundred ninety-two".