12121230301320 has 64 divisors (see below), whose sum is σ = 41558503893120. Its totient is φ = 2770566925824.

The previous prime is 12121230301289. The next prime is 12121230301333. The reversal of 12121230301320 is 2310303212121.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 7215017197 + ... + 7215018876.

It is an arithmetic number, because the mean of its divisors is an integer number (649351623330).

Almost surely, 2^{12121230301320} is an apocalyptic number.

12121230301320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12121230301320 is an abundant number, since it is smaller than the sum of its proper divisors (29437273591800).

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

12121230301320 is a wasteful number, since it uses less digits than its factorization.

12121230301320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14430036094 (or 14430036090 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12121230301320 its reverse (2310303212121), we get a palindrome (14431533513441).

The spelling of 12121230301320 in words is "twelve trillion, one hundred twenty-one billion, two hundred thirty million, three hundred one thousand, three hundred twenty".