1012200000127 has 2 divisors, whose sum is σ = 1012200000128. Its totient is φ = 1012200000126.

The previous prime is 1012200000103. The next prime is 1012200000131. The reversal of 1012200000127 is 7210000022101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012200000127 - 2¹⁹ = 1012199475839 is a prime.

It is a super-2 number, since 2×1012200000127² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1012200000127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012200000167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506100000063 + 506100000064.

It is an arithmetic number, because the mean of its divisors is an integer number (506100000064).

Almost surely, 2^{1012200000127} is an apocalyptic number.

1012200000127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012200000127 is an equidigital number, since it uses as much as digits as its factorization.

1012200000127 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1012200000127 its reverse (7210000022101), we get a palindrome (8222200022228).

The spelling of 1012200000127 in words is "one trillion, twelve billion, two hundred million, one hundred twenty-seven", and thus it is an aban number.