12012022310021 has 8 divisors (see below), whose sum is σ = 12291420191424. Its totient is φ = 11732626634400.

The previous prime is 12012022310011. The next prime is 12012022310081. The reversal of 12012022310021 is 12001322021021.

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 12012022310021 - 2¹⁸ = 12012022047877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012022310011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16596320 + ... + 17304966.

It is an arithmetic number, because the mean of its divisors is an integer number (1536427523928).

Almost surely, 2^{12012022310021} is an apocalyptic number.

It is an amenable number.

12012022310021 is a deficient number, since it is larger than the sum of its proper divisors (279397881403).

12012022310021 is an equidigital number, since it uses as much as digits as its factorization.

12012022310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102891.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12012022310021 its reverse (12001322021021), we get a palindrome (24013344331042).

The spelling of 12012022310021 in words is "twelve trillion, twelve billion, twenty-two million, three hundred ten thousand, twenty-one".