124310205223121 has 2 divisors, whose sum is σ = 124310205223122. Its totient is φ = 124310205223120.

The previous prime is 124310205223067. The next prime is 124310205223151. The reversal of 124310205223121 is 121322502013421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124000785598096 + 309419625025 = 11135564^2 + 556255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124310205223121 is a prime.

It is a super-2 number, since 2×124310205223121² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124310205223151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62155102611560 + 62155102611561.

It is an arithmetic number, because the mean of its divisors is an integer number (62155102611561).

Almost surely, 2^{124310205223121} is an apocalyptic number.

It is an amenable number.

124310205223121 is a deficient number, since it is larger than the sum of its proper divisors (1).

124310205223121 is an equidigital number, since it uses as much as digits as its factorization.

124310205223121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 124310205223121 its reverse (121322502013421), we get a palindrome (245632707236542).

The spelling of 124310205223121 in words is "one hundred twenty-four trillion, three hundred ten billion, two hundred five million, two hundred twenty-three thousand, one hundred twenty-one".