12012083989 has 2 divisors, whose sum is σ = 12012083990. Its totient is φ = 12012083988.

The previous prime is 12012083977. The next prime is 12012083999. The reversal of 12012083989 is 98938021021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6030299025 + 5981784964 = 77655^2 + 77342^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012083989 - 2¹³ = 12012075797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012083959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006041994 + 6006041995.

It is an arithmetic number, because the mean of its divisors is an integer number (6006041995).

Almost surely, 2^12012083989 is an apocalyptic number.

It is an amenable number.

12012083989 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012083989 is an equidigital number, since it uses as much as digits as its factorization.

12012083989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 12012083989 in words is "twelve billion, twelve million, eighty-three thousand, nine hundred eighty-nine".