121032312213232 has 80 divisors (see below), whose sum is σ = 270017930246400. Its totient is φ = 51480695185920.

The previous prime is 121032312213187. The next prime is 121032312213269. The reversal of 121032312213232 is 232312213230121.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 121032312213232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45584244 + ... + 48166252.

It is an arithmetic number, because the mean of its divisors is an integer number (3375224128080).

Almost surely, 2^{121032312213232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121032312213232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135008965123200).

121032312213232 is an abundant number, since it is smaller than the sum of its proper divisors (148985618033168).

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

121032312213232 is a wasteful number, since it uses less digits than its factorization.

121032312213232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585174 (or 2585168 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 121032312213232 its reverse (232312213230121), we get a palindrome (353344525443353).

The spelling of 121032312213232 in words is "one hundred twenty-one trillion, thirty-two billion, three hundred twelve million, two hundred thirteen thousand, two hundred thirty-two".