12201011000121 has 4 divisors (see below), whose sum is σ = 16268014666832. Its totient is φ = 8134007333412.

The previous prime is 12201011000083. The next prime is 12201011000161. The reversal of 12201011000121 is 12100011010221.

12201011000121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 12201011000121 - 2¹⁹ = 12201010475833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12201011000097 and 12201011000106.

It is not an unprimeable number, because it can be changed into a prime (12201011000161) 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, 2033501833351 + ... + 2033501833356.

It is an arithmetic number, because the mean of its divisors is an integer number (4067003666708).

Almost surely, 2^{12201011000121} is an apocalyptic number.

It is an amenable number.

12201011000121 is a deficient number, since it is larger than the sum of its proper divisors (4067003666711).

12201011000121 is an equidigital number, since it uses as much as digits as its factorization.

12201011000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067003666710.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12201011000121 its reverse (12100011010221), we get a palindrome (24301022010342).

It can be divided in two parts, 1220101 and 1000121, that added together give a palindrome (2220222).

The spelling of 12201011000121 in words is "twelve trillion, two hundred one billion, eleven million, one hundred twenty-one", and thus it is an aban number.