212012121111053 has 2 divisors, whose sum is σ = 212012121111054. Its totient is φ = 212012121111052.

The previous prime is 212012121110989. The next prime is 212012121111137. The reversal of 212012121111053 is 350111121210212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154676058755689 + 57336062355364 = 12436883^2 + 7572058^2 .

It is a cyclic number.

It is not a de Polignac number, because 212012121111053 - 2⁶ = 212012121110989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212012121113053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006060555526 + 106006060555527.

It is an arithmetic number, because the mean of its divisors is an integer number (106006060555527).

Almost surely, 2^{212012121111053} is an apocalyptic number.

It is an amenable number.

212012121111053 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012121111053 is an equidigital number, since it uses as much as digits as its factorization.

212012121111053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 23.

Adding to 212012121111053 its reverse (350111121210212), we get a palindrome (562123242321265).

The spelling of 212012121111053 in words is "two hundred twelve trillion, twelve billion, one hundred twenty-one million, one hundred eleven thousand, fifty-three".