122512106506577 has 4 divisors (see below), whose sum is σ = 125500206665316. Its totient is φ = 119524006347840.

The previous prime is 122512106506541. The next prime is 122512106506583. The reversal of 122512106506577 is 775605601215221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21556715412241 + 100955391094336 = 4642921^2 + 10047656^2 .

It is a cyclic number.

It is not a de Polignac number, because 122512106506577 - 2⁶ = 122512106506513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122512106506597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1494050079308 + ... + 1494050079389.

It is an arithmetic number, because the mean of its divisors is an integer number (31375051666329).

Almost surely, 2^{122512106506577} is an apocalyptic number.

It is an amenable number.

122512106506577 is a deficient number, since it is larger than the sum of its proper divisors (2988100158739).

122512106506577 is an equidigital number, since it uses as much as digits as its factorization.

122512106506577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2988100158738.

The product of its (nonzero) digits is 1764000, while the sum is 50.

The spelling of 122512106506577 in words is "one hundred twenty-two trillion, five hundred twelve billion, one hundred six million, five hundred six thousand, five hundred seventy-seven".