12010211112121 has 16 divisors (see below), whose sum is σ = 12080557133568. Its totient is φ = 11939998089600.

The previous prime is 12010211112089. The next prime is 12010211112139. The reversal of 12010211112121 is 12121111201021.

It is a cyclic number.

It is not a de Polignac number, because 12010211112121 - 2⁵ = 12010211112089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010211112095 and 12010211112104.

It is not an unprimeable number, because it can be changed into a prime (12010211112161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1447532445 + ... + 1447540741.

It is an arithmetic number, because the mean of its divisors is an integer number (755034820848).

Almost surely, 2^{12010211112121} is an apocalyptic number.

It is an amenable number.

12010211112121 is a deficient number, since it is larger than the sum of its proper divisors (70346021447).

12010211112121 is a wasteful number, since it uses less digits than its factorization.

12010211112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15312.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 12010211112121 its reverse (12121111201021), we get a palindrome (24131322313142).

The spelling of 12010211112121 in words is "twelve trillion, ten billion, two hundred eleven million, one hundred twelve thousand, one hundred twenty-one".