12100423969 has 2 divisors, whose sum is σ = 12100423970. Its totient is φ = 12100423968.

The previous prime is 12100423943. The next prime is 12100424051. The reversal of 12100423969 is 96932400121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10752653025 + 1347770944 = 103695^2 + 36712^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12100423969 is a prime.

It is a super-2 number, since 2×12100423969² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12100423919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050211984 + 6050211985.

It is an arithmetic number, because the mean of its divisors is an integer number (6050211985).

Almost surely, 2^12100423969 is an apocalyptic number.

It is an amenable number.

12100423969 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100423969 is an equidigital number, since it uses as much as digits as its factorization.

12100423969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 12100423969 in words is "twelve billion, one hundred million, four hundred twenty-three thousand, nine hundred sixty-nine".