13212409863 has 32 divisors (see below), whose sum is σ = 18185836032. Its totient is φ = 8528918400.

The previous prime is 13212409817. The next prime is 13212409897. The reversal of 13212409863 is 36890421231.

It is not a de Polignac number, because 13212409863 - 2¹⁷ = 13212278791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212401863) 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 31 ways as a sum of consecutive naturals, for example, 4722381 + ... + 4725177.

It is an arithmetic number, because the mean of its divisors is an integer number (568307376).

Almost surely, 2^13212409863 is an apocalyptic number.

13212409863 is a deficient number, since it is larger than the sum of its proper divisors (4973426169).

13212409863 is a wasteful number, since it uses less digits than its factorization.

13212409863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255.

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 13212409863 in words is "thirteen billion, two hundred twelve million, four hundred nine thousand, eight hundred sixty-three".