12526420235 has 16 divisors (see below), whose sum is σ = 17184453312. Its totient is φ = 8586864000.

The previous prime is 12526420217. The next prime is 12526420237. The reversal of 12526420235 is 53202462521.

It is not a de Polignac number, because 12526420235 - 2¹⁰ = 12526419211 is a prime.

It is a super-2 number, since 2×12526420235² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12526420237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61325 + ... + 169745.

It is an arithmetic number, because the mean of its divisors is an integer number (1074028332).

Almost surely, 2^12526420235 is an apocalyptic number.

12526420235 is a deficient number, since it is larger than the sum of its proper divisors (4658033077).

12526420235 is a wasteful number, since it uses less digits than its factorization.

12526420235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111734.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 12526420235 its reverse (53202462521), we get a palindrome (65728882756).

The spelling of 12526420235 in words is "twelve billion, five hundred twenty-six million, four hundred twenty thousand, two hundred thirty-five".