12120535103069 has 2 divisors, whose sum is σ = 12120535103070. Its totient is φ = 12120535103068.

The previous prime is 12120535102993. The next prime is 12120535103071. The reversal of 12120535103069 is 96030153502121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11029373102500 + 1091162000569 = 3321050^2 + 1044587^2 .

It is a cyclic number.

It is not a de Polignac number, because 12120535103069 - 2²⁰ = 12120534054493 is a prime.

It is a super-2 number, since 2×12120535103069² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 12120535103071, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12120535103569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060267551534 + 6060267551535.

It is an arithmetic number, because the mean of its divisors is an integer number (6060267551535).

Almost surely, 2^{12120535103069} is an apocalyptic number.

It is an amenable number.

12120535103069 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120535103069 is an equidigital number, since it uses as much as digits as its factorization.

12120535103069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 12120535103069 in words is "twelve trillion, one hundred twenty billion, five hundred thirty-five million, one hundred three thousand, sixty-nine".