12000201212121 has 8 divisors (see below), whose sum is σ = 16000383141024. Its totient is φ = 8000076712320.

The previous prime is 12000201212057. The next prime is 12000201212149. The reversal of 12000201212121 is 12121210200021.

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

It is not a de Polignac number, because 12000201212121 - 2⁶ = 12000201212057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12000201212121.

It is not an unprimeable number, because it can be changed into a prime (12000201212161) 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, 13867320 + ... + 14707241.

It is an arithmetic number, because the mean of its divisors is an integer number (2000047892628).

Almost surely, 2^{12000201212121} is an apocalyptic number.

It is an amenable number.

12000201212121 is a deficient number, since it is larger than the sum of its proper divisors (4000181928903).

12000201212121 is a wasteful number, since it uses less digits than its factorization.

12000201212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28714551.

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

Adding to 12000201212121 its reverse (12121210200021), we get a palindrome (24121411412142).

The spelling of 12000201212121 in words is "twelve trillion, two hundred one million, two hundred twelve thousand, one hundred twenty-one".