13212445829 has 4 divisors (see below), whose sum is σ = 14413577280. Its totient is φ = 12011314380.

The previous prime is 13212445811. The next prime is 13212445837. The reversal of 13212445829 is 92854421231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13212445829 - 2²⁰ = 13211397253 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 (13212445859) 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, 600565709 + ... + 600565730.

It is an arithmetic number, because the mean of its divisors is an integer number (3603394320).

Almost surely, 2^13212445829 is an apocalyptic number.

It is an amenable number.

13212445829 is a deficient number, since it is larger than the sum of its proper divisors (1201131451).

13212445829 is a wasteful number, since it uses less digits than its factorization.

13212445829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201131450.

The product of its digits is 138240, while the sum is 41.

The spelling of 13212445829 in words is "thirteen billion, two hundred twelve million, four hundred forty-five thousand, eight hundred twenty-nine".