12121000200121 has 8 divisors (see below), whose sum is σ = 12126933689024. Its totient is φ = 12115068045840.

The previous prime is 12121000200103. The next prime is 12121000200131. The reversal of 12121000200121 is 12100200012121.

12121000200121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12121000200121 - 2³¹ = 12118852716473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121000200131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18082660 + ... + 18740986.

It is an arithmetic number, because the mean of its divisors is an integer number (1515866711128).

Almost surely, 2^{12121000200121} is an apocalyptic number.

It is an amenable number.

12121000200121 is a deficient number, since it is larger than the sum of its proper divisors (5933488903).

12121000200121 is an equidigital number, since it uses as much as digits as its factorization.

12121000200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667311.

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

Adding to 12121000200121 its reverse (12100200012121), we get a palindrome (24221200212242).

The spelling of 12121000200121 in words is "twelve trillion, one hundred twenty-one billion, two hundred thousand, one hundred twenty-one".