12001210101121 has 8 divisors (see below), whose sum is σ = 12535898883264. Its totient is φ = 11467596072240.

The previous prime is 12001210101109. The next prime is 12001210101151. The reversal of 12001210101121 is 12110101210021.

It is a happy number.

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 12001210101121 - 2¹³ = 12001210092929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001210101151) 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, 268665486 + ... + 268710151.

It is an arithmetic number, because the mean of its divisors is an integer number (1566987360408).

Almost surely, 2^{12001210101121} is an apocalyptic number.

It is an amenable number.

12001210101121 is a deficient number, since it is larger than the sum of its proper divisors (534688782143).

12001210101121 is an equidigital number, since it uses as much as digits as its factorization.

12001210101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537376631.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12001210101121 its reverse (12110101210021), we get a palindrome (24111311311142).

The spelling of 12001210101121 in words is "twelve trillion, one billion, two hundred ten million, one hundred one thousand, one hundred twenty-one".