12121000120201 has 16 divisors (see below), whose sum is σ = 14073060296704. Its totient is φ = 10224684981504.

The previous prime is 12121000120171. The next prime is 12121000120211. The reversal of 12121000120201 is 10202100012121.

It is a de Polignac number, because none of the positive numbers 2^k-12121000120201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121000120211) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 25718505 + ... + 26185558.

It is an arithmetic number, because the mean of its divisors is an integer number (879566268544).

Almost surely, 2^{12121000120201} is an apocalyptic number.

It is an amenable number.

12121000120201 is a deficient number, since it is larger than the sum of its proper divisors (1952060176503).

12121000120201 is an equidigital number, since it uses as much as digits as its factorization.

12121000120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51904600.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12121000120201 its reverse (10202100012121), we get a palindrome (22323100132322).

The spelling of 12121000120201 in words is "twelve trillion, one hundred twenty-one billion, one hundred twenty thousand, two hundred one".