10012100120969 has 2 divisors, whose sum is σ = 10012100120970. Its totient is φ = 10012100120968.

The previous prime is 10012100120941. The next prime is 10012100121013. The reversal of 10012100120969 is 96902100121001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9925095769744 + 87004351225 = 3150412^2 + 294965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10012100120969 is a prime.

It is a super-2 number, since 2×10012100120969² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10012100120069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006050060484 + 5006050060485.

It is an arithmetic number, because the mean of its divisors is an integer number (5006050060485).

Almost surely, 2^{10012100120969} is an apocalyptic number.

It is an amenable number.

10012100120969 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012100120969 is an equidigital number, since it uses as much as digits as its factorization.

10012100120969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 32.

Adding to 10012100120969 its sum of digits (32), we get a palindrome (10012100121001).

The spelling of 10012100120969 in words is "ten trillion, twelve billion, one hundred million, one hundred twenty thousand, nine hundred sixty-nine".