14212262521 has 2 divisors, whose sum is σ = 14212262522. Its totient is φ = 14212262520.

The previous prime is 14212262501. The next prime is 14212262549. The reversal of 14212262521 is 12526221241.

It is a happy number.

It is an a-pointer prime, because the next prime (14212262549) can be obtained adding 14212262521 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14211262521 + 1000000 = 119211^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 14212262521 - 2⁵ = 14212262489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14212262521.

It is not a weakly prime, because it can be changed into another prime (14212262501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7106131260 + 7106131261.

It is an arithmetic number, because the mean of its divisors is an integer number (7106131261).

Almost surely, 2^14212262521 is an apocalyptic number.

It is an amenable number.

14212262521 is a deficient number, since it is larger than the sum of its proper divisors (1).

14212262521 is an equidigital number, since it uses as much as digits as its factorization.

14212262521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 28.

Adding to 14212262521 its reverse (12526221241), we get a palindrome (26738483762).

The spelling of 14212262521 in words is "fourteen billion, two hundred twelve million, two hundred sixty-two thousand, five hundred twenty-one".