1201012102027 has 2 divisors, whose sum is σ = 1201012102028. Its totient is φ = 1201012102026.

The previous prime is 1201012102007. The next prime is 1201012102061. The reversal of 1201012102027 is 7202012101021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201012102027 - 2³¹ = 1198864618379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201012101995 and 1201012102013.

It is not a weakly prime, because it can be changed into another prime (1201012102007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600506051013 + 600506051014.

It is an arithmetic number, because the mean of its divisors is an integer number (600506051014).

Almost surely, 2^{1201012102027} is an apocalyptic number.

1201012102027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201012102027 is an equidigital number, since it uses as much as digits as its factorization.

1201012102027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 1201012102027 its reverse (7202012101021), we get a palindrome (8403024203048).

The spelling of 1201012102027 in words is "one trillion, two hundred one billion, twelve million, one hundred two thousand, twenty-seven".