121320233132120 has 64 divisors (see below), whose sum is σ = 297800311795200. Its totient is φ = 44114332113280.

The previous prime is 121320233132101. The next prime is 121320233132143. The reversal of 121320233132120 is 21231332023121.

It is a self number, because there is not a number n which added to its sum of digits gives 121320233132120.

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, 2583767 + ... + 15789753.

It is an arithmetic number, because the mean of its divisors is an integer number (4653129871800).

Almost surely, 2^{121320233132120} is an apocalyptic number.

121320233132120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121320233132120 is an abundant number, since it is smaller than the sum of its proper divisors (176480078663080).

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

121320233132120 is a wasteful number, since it uses less digits than its factorization.

121320233132120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13226888 (or 13226884 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 121320233132120 its reverse (21231332023121), we get a palindrome (142551565155241).

The spelling of 121320233132120 in words is "one hundred twenty-one trillion, three hundred twenty billion, two hundred thirty-three million, one hundred thirty-two thousand, one hundred twenty".