12014242021 has 2 divisors, whose sum is σ = 12014242022. Its totient is φ = 12014242020.

The previous prime is 12014241973. The next prime is 12014242033. The reversal of 12014242021 is 12024241021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11943429796 + 70812225 = 109286^2 + 8415^2 .

It is a cyclic number.

It is not a de Polignac number, because 12014242021 - 2¹⁷ = 12014110949 is a prime.

It is a super-2 number, since 2×12014242021² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12014242021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12014242321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6007121010 + 6007121011.

It is an arithmetic number, because the mean of its divisors is an integer number (6007121011).

Almost surely, 2^12014242021 is an apocalyptic number.

It is an amenable number.

12014242021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12014242021 is an equidigital number, since it uses as much as digits as its factorization.

12014242021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12014242021 its reverse (12024241021), we get a palindrome (24038483042).

The spelling of 12014242021 in words is "twelve billion, fourteen million, two hundred forty-two thousand, twenty-one".