122312104145522 has 8 divisors (see below), whose sum is σ = 186475830910572. Its totient is φ = 60153493842000.

The previous prime is 122312104145509. The next prime is 122312104145593. The reversal of 122312104145522 is 225541401213221.

It can be written as a sum of positive squares in 2 ways, for example, as 117754856923081 + 4557247222441 = 10851491^2 + 2134771^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501279115229 + ... + 501279115472.

Almost surely, 2^{122312104145522} is an apocalyptic number.

122312104145522 is a deficient number, since it is larger than the sum of its proper divisors (64163726765050).

122312104145522 is a wasteful number, since it uses less digits than its factorization.

122312104145522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002558230764.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 122312104145522 its reverse (225541401213221), we get a palindrome (347853505358743).

The spelling of 122312104145522 in words is "one hundred twenty-two trillion, three hundred twelve billion, one hundred four million, one hundred forty-five thousand, five hundred twenty-two".