12269444051 has 4 divisors (see below), whose sum is σ = 12991176072. Its totient is φ = 11547712032.

The previous prime is 12269444039. The next prime is 12269444059. The reversal of 12269444051 is 15044496221.

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 12269444051 - 2³⁰ = 11195702227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12269443996 and 12269444014.

It is not an unprimeable number, because it can be changed into a prime (12269444059) 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, 360865985 + ... + 360866018.

It is an arithmetic number, because the mean of its divisors is an integer number (3247794018).

Almost surely, 2^12269444051 is an apocalyptic number.

12269444051 is a deficient number, since it is larger than the sum of its proper divisors (721732021).

12269444051 is an equidigital number, since it uses as much as digits as its factorization.

12269444051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721732020.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 12269444051 in words is "twelve billion, two hundred sixty-nine million, four hundred forty-four thousand, fifty-one".