121332304442180 has 96 divisors (see below), whose sum is σ = 279809371797984. Its totient is φ = 43917494759424.

The previous prime is 121332304442179. The next prime is 121332304442183. The reversal of 121332304442180 is 81244403233121.

It can be written as a sum of positive squares in 16 ways, for example, as 6515807601664 + 114816496840516 = 2552608^2 + 10715246^2 .

It is not an unprimeable number, because it can be changed into a prime (121332304442183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12749282 + ... + 20129798.

It is an arithmetic number, because the mean of its divisors is an integer number (2914680956229).

Almost surely, 2^{121332304442180} is an apocalyptic number.

121332304442180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121332304442180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139904685898992).

121332304442180 is an abundant number, since it is smaller than the sum of its proper divisors (158477067355804).

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

121332304442180 is a wasteful number, since it uses less digits than its factorization.

121332304442180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7381785 (or 7381783 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 121332304442180 in words is "one hundred twenty-one trillion, three hundred thirty-two billion, three hundred four million, four hundred forty-two thousand, one hundred eighty".