121201371413 has 2 divisors, whose sum is σ = 121201371414. Its totient is φ = 121201371412.

The previous prime is 121201371397. The next prime is 121201371433. The reversal of 121201371413 is 314173102121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114444860209 + 6756511204 = 338297^2 + 82198^2 .

It is a cyclic number.

It is not a de Polignac number, because 121201371413 - 2⁴ = 121201371397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121201371433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600685706 + 60600685707.

It is an arithmetic number, because the mean of its divisors is an integer number (60600685707).

Almost surely, 2^121201371413 is an apocalyptic number.

It is an amenable number.

121201371413 is a deficient number, since it is larger than the sum of its proper divisors (1).

121201371413 is an equidigital number, since it uses as much as digits as its factorization.

121201371413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 121201371413 its reverse (314173102121), we get a palindrome (435374473534).

The spelling of 121201371413 in words is "one hundred twenty-one billion, two hundred one million, three hundred seventy-one thousand, four hundred thirteen".