12158944703 has 6 divisors (see below), whose sum is σ = 12392690184. Its totient is φ = 11929527896.

The previous prime is 12158944669. The next prime is 12158944717. The reversal of 12158944703 is 30744985121.

It is not a de Polignac number, because 12158944703 - 2¹⁰ = 12158943679 is a prime.

It is a super-2 number, since 2×12158944703² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12158944003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2161475 + ... + 2167092.

It is an arithmetic number, because the mean of its divisors is an integer number (2065448364).

Almost surely, 2^12158944703 is an apocalyptic number.

12158944703 is a deficient number, since it is larger than the sum of its proper divisors (233745481).

12158944703 is an frugal number, since it uses more digits than its factorization.

12158944703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328673 (or 4328620 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 12158944703 in words is "twelve billion, one hundred fifty-eight million, nine hundred forty-four thousand, seven hundred three".