121118456382 has 96 divisors (see below), whose sum is σ = 307818766080. Its totient is φ = 30865436160.

The previous prime is 121118456363. The next prime is 121118456399. The reversal of 121118456382 is 283654811121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1251094 + ... + 1344422.

It is an arithmetic number, because the mean of its divisors is an integer number (3206445480).

Almost surely, 2^121118456382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121118456382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153909383040).

121118456382 is an abundant number, since it is smaller than the sum of its proper divisors (186700309698).

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

121118456382 is a wasteful number, since it uses less digits than its factorization.

121118456382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93458 (or 93405 counting only the distinct ones).

The product of its digits is 92160, while the sum is 42.

The spelling of 121118456382 in words is "one hundred twenty-one billion, one hundred eighteen million, four hundred fifty-six thousand, three hundred eighty-two".