12003967958 has 4 divisors (see below), whose sum is σ = 18005951940. Its totient is φ = 6001983978.

The previous prime is 12003967957. The next prime is 12003967993. The reversal of 12003967958 is 85976930021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85976930021 = 49939 ⋅1721639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003967957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000991988 + ... + 3000991991.

It is an arithmetic number, because the mean of its divisors is an integer number (4501487985).

Almost surely, 2^12003967958 is an apocalyptic number.

12003967958 is a deficient number, since it is larger than the sum of its proper divisors (6001983982).

12003967958 is an equidigital number, since it uses as much as digits as its factorization.

12003967958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6001983981.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 12003967958 in words is "twelve billion, three million, nine hundred sixty-seven thousand, nine hundred fifty-eight".