121634051233 has 2 divisors, whose sum is σ = 121634051234. Its totient is φ = 121634051232.

The previous prime is 121634051219. The next prime is 121634051327. The reversal of 121634051233 is 332150436121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69370604689 + 52263446544 = 263383^2 + 228612^2 .

It is a cyclic number.

It is not a de Polignac number, because 121634051233 - 2⁹ = 121634050721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121634051195 and 121634051204.

It is not a weakly prime, because it can be changed into another prime (121634061233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60817025616 + 60817025617.

It is an arithmetic number, because the mean of its divisors is an integer number (60817025617).

Almost surely, 2^121634051233 is an apocalyptic number.

It is an amenable number.

121634051233 is a deficient number, since it is larger than the sum of its proper divisors (1).

121634051233 is an equidigital number, since it uses as much as digits as its factorization.

121634051233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 121634051233 its reverse (332150436121), we get a palindrome (453784487354).

The spelling of 121634051233 in words is "one hundred twenty-one billion, six hundred thirty-four million, fifty-one thousand, two hundred thirty-three".