12010101200121 has 32 divisors (see below), whose sum is σ = 16594350778368. Its totient is φ = 7720211036160.

The previous prime is 12010101200117. The next prime is 12010101200161. The reversal of 12010101200121 is 12100210101021.

It is not a de Polignac number, because 12010101200121 - 2² = 12010101200117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12010101200097 and 12010101200106.

It is not an unprimeable number, because it can be changed into a prime (12010101200161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85736680 + ... + 85876646.

It is an arithmetic number, because the mean of its divisors is an integer number (518573461824).

Almost surely, 2^{12010101200121} is an apocalyptic number.

It is an amenable number.

12010101200121 is a deficient number, since it is larger than the sum of its proper divisors (4584249578247).

12010101200121 is a wasteful number, since it uses less digits than its factorization.

12010101200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146961.

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

Adding to 12010101200121 its reverse (12100210101021), we get a palindrome (24110311301142).

The spelling of 12010101200121 in words is "twelve trillion, ten billion, one hundred one million, two hundred thousand, one hundred twenty-one".