12102012200121 has 8 divisors (see below), whose sum is σ = 16376852330784. Its totient is φ = 7947590101440.

The previous prime is 12102012200101. The next prime is 12102012200129. The reversal of 12102012200121 is 12100221020121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12102012200121 - 2¹⁵ = 12102012167353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12102012200121.

It is not an unprimeable number, because it can be changed into a prime (12102012200129) 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 7 ways as a sum of consecutive naturals, for example, 30104507760 + ... + 30104508161.

It is an arithmetic number, because the mean of its divisors is an integer number (2047106541348).

Almost surely, 2^{12102012200121} is an apocalyptic number.

It is an amenable number.

12102012200121 is a deficient number, since it is larger than the sum of its proper divisors (4274840130663).

12102012200121 is an equidigital number, since it uses as much as digits as its factorization.

12102012200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60209015991.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12102012200121 its reverse (12100221020121), we get a palindrome (24202233220242).

The spelling of 12102012200121 in words is "twelve trillion, one hundred two billion, twelve million, two hundred thousand, one hundred twenty-one".