121338259160992 has 48 divisors (see below), whose sum is σ = 254282942692800. Its totient is φ = 56830219522560.

The previous prime is 121338259160917. The next prime is 121338259161013. The reversal of 121338259160992 is 299061952833121.

It is a self number, because there is not a number n which added to its sum of digits gives 121338259160992.

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, 1121122884 + ... + 1121231107.

It is an arithmetic number, because the mean of its divisors is an integer number (5297561306100).

Almost surely, 2^{121338259160992} is an apocalyptic number.

It is an amenable number.

121338259160992 is an abundant number, since it is smaller than the sum of its proper divisors (132944683531808).

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

121338259160992 is a wasteful number, since it uses less digits than its factorization.

121338259160992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242354109 (or 2242354101 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 61.

The spelling of 121338259160992 in words is "one hundred twenty-one trillion, three hundred thirty-eight billion, two hundred fifty-nine million, one hundred sixty thousand, nine hundred ninety-two".