121828326293 has 2 divisors, whose sum is σ = 121828326294. Its totient is φ = 121828326292.

The previous prime is 121828326251. The next prime is 121828326307. The reversal of 121828326293 is 392623828121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86070650884 + 35757675409 = 293378^2 + 189097^2 .

It is a cyclic number.

It is not a de Polignac number, because 121828326293 - 2¹² = 121828322197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121828326203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60914163146 + 60914163147.

It is an arithmetic number, because the mean of its divisors is an integer number (60914163147).

Almost surely, 2^121828326293 is an apocalyptic number.

It is an amenable number.

121828326293 is a deficient number, since it is larger than the sum of its proper divisors (1).

121828326293 is an equidigital number, since it uses as much as digits as its factorization.

121828326293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 47.

The spelling of 121828326293 in words is "one hundred twenty-one billion, eight hundred twenty-eight million, three hundred twenty-six thousand, two hundred ninety-three".