122555343001025 has 12 divisors (see below), whose sum is σ = 165783954896304. Its totient is φ = 89131158546000.

The previous prime is 122555343001009. The next prime is 122555343001027. The reversal of 122555343001025 is 520100343555221.

It is not a de Polignac number, because 122555343001025 - 2⁴ = 122555343001009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122555343001025.

It is not an unprimeable number, because it can be changed into a prime (122555343001027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222827896091 + ... + 222827896640.

It is an arithmetic number, because the mean of its divisors is an integer number (13815329574692).

Almost surely, 2^{122555343001025} is an apocalyptic number.

It is an amenable number.

122555343001025 is a deficient number, since it is larger than the sum of its proper divisors (43228611895279).

122555343001025 is a wasteful number, since it uses less digits than its factorization.

122555343001025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445655792752 (or 445655792747 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 122555343001025 its reverse (520100343555221), we get a palindrome (642655686556246).

The spelling of 122555343001025 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, three hundred forty-three million, one thousand, twenty-five".