102012100027 has 2 divisors, whose sum is σ = 102012100028. Its totient is φ = 102012100026.

The previous prime is 102012099953. The next prime is 102012100033. The reversal of 102012100027 is 720001210201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102012100027 - 2¹⁹ = 102011575739 is a prime.

It is not a weakly prime, because it can be changed into another prime (102012100037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006050013 + 51006050014.

It is an arithmetic number, because the mean of its divisors is an integer number (51006050014).

Almost surely, 2^102012100027 is an apocalyptic number.

102012100027 is a deficient number, since it is larger than the sum of its proper divisors (1).

102012100027 is an equidigital number, since it uses as much as digits as its factorization.

102012100027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 16.

Adding to 102012100027 its reverse (720001210201), we get a palindrome (822013310228).

The spelling of 102012100027 in words is "one hundred two billion, twelve million, one hundred thousand, twenty-seven".