12120999760027 has 2 divisors, whose sum is σ = 12120999760028. Its totient is φ = 12120999760026.

The previous prime is 12120999760003. The next prime is 12120999760081. The reversal of 12120999760027 is 72006799902121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12120999760027 - 2³¹ = 12118852276379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12120999760027.

It is not a weakly prime, because it can be changed into another prime (12120999760927) 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, 6060499880013 + 6060499880014.

It is an arithmetic number, because the mean of its divisors is an integer number (6060499880014).

Almost surely, 2^{12120999760027} is an apocalyptic number.

12120999760027 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120999760027 is an equidigital number, since it uses as much as digits as its factorization.

12120999760027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1714608, while the sum is 55.

The spelling of 12120999760027 in words is "twelve trillion, one hundred twenty billion, nine hundred ninety-nine million, seven hundred sixty thousand, twenty-seven".