21214025126235 has 256 divisors, whose sum is σ = 41137558179840. Its totient is φ = 10333209600000.

The previous prime is 21214025126207. The next prime is 21214025126299. The reversal of 21214025126235 is 53262152041212.

21214025126235 is a `hidden beast` number, since 2 + 1 + 2 + 1 + 4 + 0 + 25 + 1 + 2 + 623 + 5 = 666.

It is not a de Polignac number, because 21214025126235 - 2⁹ = 21214025125723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21214025126235.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2847134260 + ... + 2847141710.

It is an arithmetic number, because the mean of its divisors is an integer number (160693586640).

Almost surely, 2^{21214025126235} is an apocalyptic number.

21214025126235 is a deficient number, since it is larger than the sum of its proper divisors (19923533053605).

21214025126235 is a wasteful number, since it uses less digits than its factorization.

21214025126235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7827 (or 7821 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 21214025126235 its reverse (53262152041212), we get a palindrome (74476177167447).

The spelling of 21214025126235 in words is "twenty-one trillion, two hundred fourteen billion, twenty-five million, one hundred twenty-six thousand, two hundred thirty-five".