1201200100027 has 2 divisors, whose sum is σ = 1201200100028. Its totient is φ = 1201200100026.

The previous prime is 1201200099991. The next prime is 1201200100033. The reversal of 1201200100027 is 7200010021021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201200100027 - 2¹⁵ = 1201200067259 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201200100427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600600050013 + 600600050014.

It is an arithmetic number, because the mean of its divisors is an integer number (600600050014).

Almost surely, 2^{1201200100027} is an apocalyptic number.

1201200100027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201200100027 is an equidigital number, since it uses as much as digits as its factorization.

1201200100027 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 1201200100027 its reverse (7200010021021), we get a palindrome (8401210121048).

The spelling of 1201200100027 in words is "one trillion, two hundred one billion, two hundred million, one hundred thousand, twenty-seven".