121302333133 has 2 divisors, whose sum is σ = 121302333134. Its totient is φ = 121302333132.

The previous prime is 121302333127. The next prime is 121302333161. The reversal of 121302333133 is 331333203121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79489035844 + 41813297289 = 281938^2 + 204483^2 .

It is an emirp because it is prime and its reverse (331333203121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121302333133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121302333098 and 121302333107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121302331133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60651166566 + 60651166567.

It is an arithmetic number, because the mean of its divisors is an integer number (60651166567).

Almost surely, 2^121302333133 is an apocalyptic number.

It is an amenable number.

121302333133 is a deficient number, since it is larger than the sum of its proper divisors (1).

121302333133 is an equidigital number, since it uses as much as digits as its factorization.

121302333133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 121302333133 its reverse (331333203121), we get a palindrome (452635536254).

The spelling of 121302333133 in words is "one hundred twenty-one billion, three hundred two million, three hundred thirty-three thousand, one hundred thirty-three".