122554311012225 has 72 divisors (see below), whose sum is σ = 224624472613632. Its totient is φ = 63844429075200.

The previous prime is 122554311012197. The next prime is 122554311012227. The reversal of 122554311012225 is 522210113455221.

122554311012225 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 543 + 1 + 101 + 2 + 2 + 2 + 5 = 666.

It is not a de Polignac number, because 122554311012225 - 2¹⁰ = 122554311011201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122554311012225.

It is not an unprimeable number, because it can be changed into a prime (122554311012227) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6200716 + ... + 16839165.

It is an arithmetic number, because the mean of its divisors is an integer number (3119784341856).

Almost surely, 2^{122554311012225} is an apocalyptic number.

122554311012225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122554311012225 is a deficient number, since it is larger than the sum of its proper divisors (102070161601407).

122554311012225 is a wasteful number, since it uses less digits than its factorization.

122554311012225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23040447 (or 23040439 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 122554311012225 its reverse (522210113455221), we get a palindrome (644764424467446).

The spelling of 122554311012225 in words is "one hundred twenty-two trillion, five hundred fifty-four billion, three hundred eleven million, twelve thousand, two hundred twenty-five".