1000012099927 has 2 divisors, whose sum is σ = 1000012099928. Its totient is φ = 1000012099926.

The previous prime is 1000012099909. The next prime is 1000012099987. The reversal of 1000012099927 is 7299902100001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000012099927 - 2³⁵ = 965652361559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000012099927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000012099987) 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, 500006049963 + 500006049964.

It is an arithmetic number, because the mean of its divisors is an integer number (500006049964).

Almost surely, 2^{1000012099927} is an apocalyptic number.

1000012099927 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000012099927 is an equidigital number, since it uses as much as digits as its factorization.

1000012099927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 40.

Adding to 1000012099927 its reverse (7299902100001), we get a palindrome (8299914199928).

The spelling of 1000012099927 in words is "one trillion, twelve million, ninety-nine thousand, nine hundred twenty-seven".