1210012099927 has 2 divisors, whose sum is σ = 1210012099928. Its totient is φ = 1210012099926.

The previous prime is 1210012099909. The next prime is 1210012099937. The reversal of 1210012099927 is 7299902100121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210012099927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210012099937) 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, 605006049963 + 605006049964.

It is an arithmetic number, because the mean of its divisors is an integer number (605006049964).

Almost surely, 2^{1210012099927} is an apocalyptic number.

1210012099927 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210012099927 is an equidigital number, since it uses as much as digits as its factorization.

1210012099927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 43.

The spelling of 1210012099927 in words is "one trillion, two hundred ten billion, twelve million, ninety-nine thousand, nine hundred twenty-seven".