12020111001253 has 2 divisors, whose sum is σ = 12020111001254. Its totient is φ = 12020111001252.

The previous prime is 12020111001191. The next prime is 12020111001271. The reversal of 12020111001253 is 35210011102021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7699503940804 + 4320607060449 = 2774798^2 + 2078607^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12020111001253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12020111001253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12020111001293) 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, 6010055500626 + 6010055500627.

It is an arithmetic number, because the mean of its divisors is an integer number (6010055500627).

Almost surely, 2^{12020111001253} is an apocalyptic number.

It is an amenable number.

12020111001253 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020111001253 is an equidigital number, since it uses as much as digits as its factorization.

12020111001253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 12020111001253 its reverse (35210011102021), we get a palindrome (47230122103274).

The spelling of 12020111001253 in words is "twelve trillion, twenty billion, one hundred eleven million, one thousand, two hundred fifty-three".