2122124313457 has 2 divisors, whose sum is σ = 2122124313458. Its totient is φ = 2122124313456.

The previous prime is 2122124313443. The next prime is 2122124313461. The reversal of 2122124313457 is 7543134212212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2056711647376 + 65412666081 = 1434124^2 + 255759^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122124313457 - 2¹¹ = 2122124311409 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122124316457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061062156728 + 1061062156729.

It is an arithmetic number, because the mean of its divisors is an integer number (1061062156729).

Almost surely, 2^{2122124313457} is an apocalyptic number.

It is an amenable number.

2122124313457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122124313457 is an equidigital number, since it uses as much as digits as its factorization.

2122124313457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

Adding to 2122124313457 its reverse (7543134212212), we get a palindrome (9665258525669).

The spelling of 2122124313457 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-four million, three hundred thirteen thousand, four hundred fifty-seven".