12141313021 has 2 divisors, whose sum is σ = 12141313022. Its totient is φ = 12141313020.

The previous prime is 12141312971. The next prime is 12141313027. The reversal of 12141313021 is 12031314121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8551625625 + 3589687396 = 92475^2 + 59914^2 .

It is a cyclic number.

It is not a de Polignac number, because 12141313021 - 2⁷ = 12141312893 is a prime.

It is a super-2 number, since 2×12141313021² (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 12141313021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12141313027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6070656510 + 6070656511.

It is an arithmetic number, because the mean of its divisors is an integer number (6070656511).

Almost surely, 2^12141313021 is an apocalyptic number.

It is an amenable number.

12141313021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12141313021 is an equidigital number, since it uses as much as digits as its factorization.

12141313021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12141313021 its reverse (12031314121), we get a palindrome (24172627142).

The spelling of 12141313021 in words is "twelve billion, one hundred forty-one million, three hundred thirteen thousand, twenty-one".