121032313111182 has 128 divisors (see below), whose sum is σ = 273937055293440. Its totient is φ = 35329708189440.

The previous prime is 121032313111181. The next prime is 121032313111211. The reversal of 121032313111182 is 281111313230121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121032313111181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3629464633 + ... + 3629497979.

It is an arithmetic number, because the mean of its divisors is an integer number (2140133244480).

Almost surely, 2^{121032313111182} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121032313111182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136968527646720).

121032313111182 is an abundant number, since it is smaller than the sum of its proper divisors (152904742182258).

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

121032313111182 is a wasteful number, since it uses less digits than its factorization.

121032313111182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50998.

The product of its (nonzero) digits is 1728, while the sum is 30.

The spelling of 121032313111182 in words is "one hundred twenty-one trillion, thirty-two billion, three hundred thirteen million, one hundred eleven thousand, one hundred eighty-two".