12010001112121 has 8 divisors (see below), whose sum is σ = 12013650561024. Its totient is φ = 12006352165920.

The previous prime is 12010001112119. The next prime is 12010001112139. The reversal of 12010001112121 is 12121110001021.

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 12010001112121 - 2¹ = 12010001112119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12010001112191) 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, 50747856 + ... + 50983966.

It is an arithmetic number, because the mean of its divisors is an integer number (1501706320128).

Almost surely, 2^{12010001112121} is an apocalyptic number.

It is an amenable number.

12010001112121 is a deficient number, since it is larger than the sum of its proper divisors (3649448903).

12010001112121 is a wasteful number, since it uses less digits than its factorization.

12010001112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251351.

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

Adding to 12010001112121 its reverse (12121110001021), we get a palindrome (24131111113142).

Subtracting 12010001112121 from its reverse (12121110001021), we obtain a square (111108888900 = 333330²).

The spelling of 12010001112121 in words is "twelve trillion, ten billion, one million, one hundred twelve thousand, one hundred twenty-one".