12012001112021 has 8 divisors (see below), whose sum is σ = 12017181908160. Its totient is φ = 12006821348928.

The previous prime is 12012001111997. The next prime is 12012001112107. The reversal of 12012001112021 is 12021110021021.

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 12012001112021 - 2¹⁰ = 12012001110997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12012001111987 and 12012001112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012001117021) 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, 23470070 + ... + 23976408.

It is an arithmetic number, because the mean of its divisors is an integer number (1502147738520).

Almost surely, 2^{12012001112021} is an apocalyptic number.

It is an amenable number.

12012001112021 is a deficient number, since it is larger than the sum of its proper divisors (5180796139).

12012001112021 is an equidigital number, since it uses as much as digits as its factorization.

12012001112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516523.

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

Adding to 12012001112021 its reverse (12021110021021), we get a palindrome (24033111133042).

The spelling of 12012001112021 in words is "twelve trillion, twelve billion, one million, one hundred twelve thousand, twenty-one".