12505029263 has 4 divisors (see below), whose sum is σ = 12506016840. Its totient is φ = 12504041688.

The previous prime is 12505029241. The next prime is 12505029287. The reversal of 12505029263 is 36292050521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12505029263 - 2³² = 8210061967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12505029863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474545 + ... + 500202.

It is an arithmetic number, because the mean of its divisors is an integer number (3126504210).

Almost surely, 2^12505029263 is an apocalyptic number.

12505029263 is a deficient number, since it is larger than the sum of its proper divisors (987577).

12505029263 is an equidigital number, since it uses as much as digits as its factorization.

12505029263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987576.

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 12505029263 its reverse (36292050521), we get a palindrome (48797079784).

The spelling of 12505029263 in words is "twelve billion, five hundred five million, twenty-nine thousand, two hundred sixty-three".