12030311983 has 2 divisors, whose sum is σ = 12030311984. Its totient is φ = 12030311982.

The previous prime is 12030311981. The next prime is 12030312017. The reversal of 12030311983 is 38911303021.

It is a weak prime.

It is an emirp because it is prime and its reverse (38911303021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12030311983 - 2¹ = 12030311981 is a prime.

Together with 12030311981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12030311981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015155991 + 6015155992.

It is an arithmetic number, because the mean of its divisors is an integer number (6015155992).

Almost surely, 2^12030311983 is an apocalyptic number.

12030311983 is a deficient number, since it is larger than the sum of its proper divisors (1).

12030311983 is an equidigital number, since it uses as much as digits as its factorization.

12030311983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 12030311983 in words is "twelve billion, thirty million, three hundred eleven thousand, nine hundred eighty-three".