120985255815348 has 48 divisors (see below), whose sum is σ = 298913945912064. Its totient is φ = 37954990909440.

The previous prime is 120985255815241. The next prime is 120985255815367. The reversal of 120985255815348 is 843518552589021.

It is a super-2 number, since 2×120985255815348² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2464540 + ... + 15749427.

It is an arithmetic number, because the mean of its divisors is an integer number (6227373873168).

Almost surely, 2^{120985255815348} is an apocalyptic number.

It is an amenable number.

120985255815348 is an abundant number, since it is smaller than the sum of its proper divisors (177928690096716).

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

120985255815348 is a wasteful number, since it uses less digits than its factorization.

120985255815348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18246552 (or 18246550 counting only the distinct ones).

The product of its (nonzero) digits is 138240000, while the sum is 66.

The spelling of 120985255815348 in words is "one hundred twenty trillion, nine hundred eighty-five billion, two hundred fifty-five million, eight hundred fifteen thousand, three hundred forty-eight".