1212251114141 has 2 divisors, whose sum is σ = 1212251114142. Its totient is φ = 1212251114140.

The previous prime is 1212251114111. The next prime is 1212251114189. The reversal of 1212251114141 is 1414111522121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1180417060900 + 31834053241 = 1086470^2 + 178421^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212251114141 - 2⁶ = 1212251114077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1212251114141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212251114111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606125557070 + 606125557071.

It is an arithmetic number, because the mean of its divisors is an integer number (606125557071).

Almost surely, 2^{1212251114141} is an apocalyptic number.

It is an amenable number.

1212251114141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212251114141 is an equidigital number, since it uses as much as digits as its factorization.

1212251114141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 640, while the sum is 26.

Adding to 1212251114141 its reverse (1414111522121), we get a palindrome (2626362636262).

The spelling of 1212251114141 in words is "one trillion, two hundred twelve billion, two hundred fifty-one million, one hundred fourteen thousand, one hundred forty-one".