121415443339 has 2 divisors, whose sum is σ = 121415443340. Its totient is φ = 121415443338.

The previous prime is 121415443333. The next prime is 121415443363. The reversal of 121415443339 is 933344514121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121415443339 - 2⁵ = 121415443307 is a prime.

It is not a weakly prime, because it can be changed into another prime (121415443333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60707721669 + 60707721670.

It is an arithmetic number, because the mean of its divisors is an integer number (60707721670).

Almost surely, 2^121415443339 is an apocalyptic number.

121415443339 is a deficient number, since it is larger than the sum of its proper divisors (1).

121415443339 is an equidigital number, since it uses as much as digits as its factorization.

121415443339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 40.

The spelling of 121415443339 in words is "one hundred twenty-one billion, four hundred fifteen million, four hundred forty-three thousand, three hundred thirty-nine".