12138050229 has 4 divisors (see below), whose sum is σ = 16184066976. Its totient is φ = 8092033484.

The previous prime is 12138050209. The next prime is 12138050233. The reversal of 12138050229 is 92205083121.

It is a happy number.

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 12138050229 - 2⁹ = 12138049717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12138050229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12138050209) 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, 2023008369 + ... + 2023008374.

It is an arithmetic number, because the mean of its divisors is an integer number (4046016744).

Almost surely, 2^12138050229 is an apocalyptic number.

It is an amenable number.

12138050229 is a deficient number, since it is larger than the sum of its proper divisors (4046016747).

12138050229 is an equidigital number, since it uses as much as digits as its factorization.

12138050229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4046016746.

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 12138050229 in words is "twelve billion, one hundred thirty-eight million, fifty thousand, two hundred twenty-nine".