1442462012521 has 2 divisors, whose sum is σ = 1442462012522. Its totient is φ = 1442462012520.

The previous prime is 1442462012449. The next prime is 1442462012561. The reversal of 1442462012521 is 1252102642441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 923213505600 + 519248506921 = 960840^2 + 720589^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442462012521 - 2⁷ = 1442462012393 is a prime.

It is a super-2 number, since 2×1442462012521² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1442462012561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721231006260 + 721231006261.

It is an arithmetic number, because the mean of its divisors is an integer number (721231006261).

Almost surely, 2^{1442462012521} is an apocalyptic number.

It is an amenable number.

1442462012521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442462012521 is an equidigital number, since it uses as much as digits as its factorization.

1442462012521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 34.

Adding to 1442462012521 its reverse (1252102642441), we get a palindrome (2694564654962).

The spelling of 1442462012521 in words is "one trillion, four hundred forty-two billion, four hundred sixty-two million, twelve thousand, five hundred twenty-one".