12000201121 has 8 divisors (see below), whose sum is σ = 12156208064. Its totient is φ = 11844954000.

The previous prime is 12000201053. The next prime is 12000201137. The reversal of 12000201121 is 12110200021.

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 12000201121 - 2¹³ = 12000192929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12000201098 and 12000201107.

It is not an unprimeable number, because it can be changed into a prime (12000201721) 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, 158130 + ... + 221371.

It is an arithmetic number, because the mean of its divisors is an integer number (1519526008).

Almost surely, 2^12000201121 is an apocalyptic number.

It is an amenable number.

12000201121 is a deficient number, since it is larger than the sum of its proper divisors (156006943).

12000201121 is a wasteful number, since it uses less digits than its factorization.

12000201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379911.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12000201121 its reverse (12110200021), we get a palindrome (24110401142).

The spelling of 12000201121 in words is "twelve billion, two hundred one thousand, one hundred twenty-one".