12010012021121 has 8 divisors (see below), whose sum is σ = 12200438568864. Its totient is φ = 11819914080480.

The previous prime is 12010012021097. The next prime is 12010012021151. The reversal of 12010012021121 is 12112021001021.

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 12010012021121 - 2⁶ = 12010012021057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010012021096 and 12010012021105.

It is not an unprimeable number, because it can be changed into a prime (12010012021151) 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, 82078100 + ... + 82224293.

It is an arithmetic number, because the mean of its divisors is an integer number (1525054821108).

Almost surely, 2^{12010012021121} is an apocalyptic number.

It is an amenable number.

12010012021121 is a deficient number, since it is larger than the sum of its proper divisors (190426547743).

12010012021121 is a wasteful number, since it uses less digits than its factorization.

12010012021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164303551.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12010012021121 its reverse (12112021001021), we get a palindrome (24122033022142).

The spelling of 12010012021121 in words is "twelve trillion, ten billion, twelve million, twenty-one thousand, one hundred twenty-one".