12011211201127 has 2 divisors, whose sum is σ = 12011211201128. Its totient is φ = 12011211201126.

The previous prime is 12011211201091. The next prime is 12011211201163. The reversal of 12011211201127 is 72110211211021.

It is a balanced prime because it is at equal distance from previous prime (12011211201091) and next prime (12011211201163).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011211201127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12011211201098 and 12011211201107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011211202127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005605600563 + 6005605600564.

It is an arithmetic number, because the mean of its divisors is an integer number (6005605600564).

Almost surely, 2^{12011211201127} is an apocalyptic number.

12011211201127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011211201127 is an equidigital number, since it uses as much as digits as its factorization.

12011211201127 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 22.

Adding to 12011211201127 its reverse (72110211211021), we get a palindrome (84121422412148).

The spelling of 12011211201127 in words is "twelve trillion, eleven billion, two hundred eleven million, two hundred one thousand, one hundred twenty-seven".