12102000010121 has 4 divisors (see below), whose sum is σ = 13830857154432. Its totient is φ = 10373142865812.

The previous prime is 12102000010117. The next prime is 12102000010123. The reversal of 12102000010121 is 12101000020121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12102000010121 - 2² = 12102000010117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102000010123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 864428572145 + ... + 864428572158.

It is an arithmetic number, because the mean of its divisors is an integer number (3457714288608).

Almost surely, 2^{12102000010121} is an apocalyptic number.

It is an amenable number.

12102000010121 is a deficient number, since it is larger than the sum of its proper divisors (1728857144311).

12102000010121 is an equidigital number, since it uses as much as digits as its factorization.

12102000010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728857144310.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12102000010121 its reverse (12101000020121), we get a palindrome (24203000030242).

It can be divided in two parts, 121020000 and 10121, that added together give a palindrome (121030121).

The spelling of 12102000010121 in words is "twelve trillion, one hundred two billion, ten thousand, one hundred twenty-one".