12001203847 has 8 divisors (see below), whose sum is σ = 12145640976. Its totient is φ = 11857189632.

The previous prime is 12001203829. The next prime is 12001203853. The reversal of 12001203847 is 74830210021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12001203847 - 2¹⁵ = 12001171079 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 (12001201847) 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 in 7 ways as a sum of consecutive naturals, for example, 48448 + ... + 162325.

It is an arithmetic number, because the mean of its divisors is an integer number (1518205122).

Almost surely, 2^12001203847 is an apocalyptic number.

12001203847 is a deficient number, since it is larger than the sum of its proper divisors (144437129).

12001203847 is an equidigital number, since it uses as much as digits as its factorization.

12001203847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211457.

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 12001203847 its reverse (74830210021), we get a palindrome (86831413868).

The spelling of 12001203847 in words is "twelve billion, one million, two hundred three thousand, eight hundred forty-seven".