121334131273 has 2 divisors, whose sum is σ = 121334131274. Its totient is φ = 121334131272.

The previous prime is 121334131159. The next prime is 121334131277. The reversal of 121334131273 is 372131433121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75970243129 + 45363888144 = 275627^2 + 212988^2 .

It is a cyclic number.

It is not a de Polignac number, because 121334131273 - 2²¹ = 121332034121 is a prime.

It is not a weakly prime, because it can be changed into another prime (121334131277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60667065636 + 60667065637.

It is an arithmetic number, because the mean of its divisors is an integer number (60667065637).

Almost surely, 2^121334131273 is an apocalyptic number.

It is an amenable number.

121334131273 is a deficient number, since it is larger than the sum of its proper divisors (1).

121334131273 is an equidigital number, since it uses as much as digits as its factorization.

121334131273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 31.

Adding to 121334131273 its reverse (372131433121), we get a palindrome (493465564394).

The spelling of 121334131273 in words is "one hundred twenty-one billion, three hundred thirty-four million, one hundred thirty-one thousand, two hundred seventy-three".