1342265436121 has 2 divisors, whose sum is σ = 1342265436122. Its totient is φ = 1342265436120.

The previous prime is 1342265436107. The next prime is 1342265436139. The reversal of 1342265436121 is 1216345622431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1276222090000 + 66043346121 = 1129700^2 + 256989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1342265436121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1342265431121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671132718060 + 671132718061.

It is an arithmetic number, because the mean of its divisors is an integer number (671132718061).

Almost surely, 2^{1342265436121} is an apocalyptic number.

It is an amenable number.

1342265436121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342265436121 is an equidigital number, since it uses as much as digits as its factorization.

1342265436121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 40.

The spelling of 1342265436121 in words is "one trillion, three hundred forty-two billion, two hundred sixty-five million, four hundred thirty-six thousand, one hundred twenty-one".