12121000301320 has 192 divisors, whose sum is σ = 29744671219200. Its totient is φ = 4440115630080.

The previous prime is 12121000301281. The next prime is 12121000301381. The reversal of 12121000301320 is 2310300012121.

It is a junction number, because it is equal to n+sod(n) for n = 12121000301294 and 12121000301303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 415842987 + ... + 415872133.

It is an arithmetic number, because the mean of its divisors is an integer number (154920162600).

Almost surely, 2^{12121000301320} is an apocalyptic number.

12121000301320 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 12121000301320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14872335609600).

12121000301320 is an abundant number, since it is smaller than the sum of its proper divisors (17623670917880).

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

12121000301320 is a wasteful number, since it uses less digits than its factorization.

12121000301320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30156 (or 30133 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12121000301320 its reverse (2310300012121), we get a palindrome (14431300313441).

The spelling of 12121000301320 in words is "twelve trillion, one hundred twenty-one billion, three hundred one thousand, three hundred twenty".