12120881039 has 2 divisors, whose sum is σ = 12120881040. Its totient is φ = 12120881038.

The previous prime is 12120881027. The next prime is 12120881063. The reversal of 12120881039 is 93018802121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12120881039 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12120881009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060440519 + 6060440520.

It is an arithmetic number, because the mean of its divisors is an integer number (6060440520).

Almost surely, 2^12120881039 is an apocalyptic number.

12120881039 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120881039 is an equidigital number, since it uses as much as digits as its factorization.

12120881039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 35.

The spelling of 12120881039 in words is "twelve billion, one hundred twenty million, eight hundred eighty-one thousand, thirty-nine".