12100202021969 has 2 divisors, whose sum is σ = 12100202021970. Its totient is φ = 12100202021968.

The previous prime is 12100202021951. The next prime is 12100202022017. The reversal of 12100202021969 is 96912020200121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9906284130625 + 2193917891344 = 3147425^2 + 1481188^2 .

It is a cyclic number.

It is not a de Polignac number, because 12100202021969 - 2¹² = 12100202017873 is a prime.

It is a super-2 number, since 2×12100202021969² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12100202021569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050101010984 + 6050101010985.

It is an arithmetic number, because the mean of its divisors is an integer number (6050101010985).

Almost surely, 2^{12100202021969} is an apocalyptic number.

It is an amenable number.

12100202021969 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100202021969 is an equidigital number, since it uses as much as digits as its factorization.

12100202021969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 12100202021969 in words is "twelve trillion, one hundred billion, two hundred two million, twenty-one thousand, nine hundred sixty-nine".