12000121313101 has 4 divisors (see below), whose sum is σ = 12087713439612. Its totient is φ = 11912529186592.

The previous prime is 12000121313099. The next prime is 12000121313107. The reversal of 12000121313101 is 10131312100021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10406785662025 + 1593335651076 = 3225955^2 + 1262274^2 .

It is a cyclic number.

It is not a de Polignac number, because 12000121313101 - 2¹ = 12000121313099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000121313107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43796063050 + ... + 43796063323.

It is an arithmetic number, because the mean of its divisors is an integer number (3021928359903).

Almost surely, 2^{12000121313101} is an apocalyptic number.

It is an amenable number.

12000121313101 is a deficient number, since it is larger than the sum of its proper divisors (87592126511).

12000121313101 is an equidigital number, since it uses as much as digits as its factorization.

12000121313101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87592126510.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12000121313101 its reverse (10131312100021), we get a palindrome (22131433413122).

The spelling of 12000121313101 in words is "twelve trillion, one hundred twenty-one million, three hundred thirteen thousand, one hundred one".