12010111012121 has 8 divisors (see below), whose sum is σ = 12303099884544. Its totient is φ = 11717124965280.

The previous prime is 12010111012049. The next prime is 12010111012177. The reversal of 12010111012121 is 12121011101021.

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 12010111012121 - 2¹⁰ = 12010111011097 is a prime.

It is a super-2 number, since 2×12010111012121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010111012096 and 12010111012105.

It is not an unprimeable number, because it can be changed into a prime (12010111012181) 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, 9770840 + ... + 10931126.

It is an arithmetic number, because the mean of its divisors is an integer number (1537887485568).

Almost surely, 2^{12010111012121} is an apocalyptic number.

It is an amenable number.

12010111012121 is a deficient number, since it is larger than the sum of its proper divisors (292988872423).

12010111012121 is a wasteful number, since it uses less digits than its factorization.

12010111012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412791.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12010111012121 its reverse (12121011101021), we get a palindrome (24131122113142).

The spelling of 12010111012121 in words is "twelve trillion, ten billion, one hundred eleven million, twelve thousand, one hundred twenty-one".