12010000201121 has 8 divisors (see below), whose sum is σ = 12933949518504. Its totient is φ = 11086065619200.

The previous prime is 12010000201109. The next prime is 12010000201183. The reversal of 12010000201121 is 12110200001021.

It can be written as a sum of positive squares in 4 ways, for example, as 249936004096 + 11760064197025 = 499936^2 + 3429295^2 .

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

It is not a de Polignac number, because 12010000201121 - 2⁶ = 12010000201057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12010000201021) 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, 1961246 + ... + 5278871.

It is an arithmetic number, because the mean of its divisors is an integer number (1616743689813).

Almost surely, 2^{12010000201121} is an apocalyptic number.

It is an amenable number.

12010000201121 is a deficient number, since it is larger than the sum of its proper divisors (923949317383).

12010000201121 is a wasteful number, since it uses less digits than its factorization.

12010000201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7367731.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12010000201121 its reverse (12110200001021), we get a palindrome (24120200202142).

The spelling of 12010000201121 in words is "twelve trillion, ten billion, two hundred one thousand, one hundred twenty-one".