14121312403021 has 2 divisors, whose sum is σ = 14121312403022. Its totient is φ = 14121312403020.

The previous prime is 14121312403013. The next prime is 14121312403111. The reversal of 14121312403021 is 12030421312141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9405200904100 + 4716111498921 = 3066790^2 + 2171661^2 .

It is a cyclic number.

It is not a de Polignac number, because 14121312403021 - 2³ = 14121312403013 is a prime.

It is a super-2 number, since 2×14121312403021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14121312703021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7060656201510 + 7060656201511.

It is an arithmetic number, because the mean of its divisors is an integer number (7060656201511).

Almost surely, 2^{14121312403021} is an apocalyptic number.

It is an amenable number.

14121312403021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14121312403021 is an equidigital number, since it uses as much as digits as its factorization.

14121312403021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 14121312403021 its reverse (12030421312141), we get a palindrome (26151733715162).

The spelling of 14121312403021 in words is "fourteen trillion, one hundred twenty-one billion, three hundred twelve million, four hundred three thousand, twenty-one".