122554311012513 has 16 divisors (see below), whose sum is σ = 181571049821760. Its totient is φ = 81698775596928.

The previous prime is 122554311012509. The next prime is 122554311012547. The reversal of 122554311012513 is 315210113455221.

122554311012513 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 5 + 4 + 31 + 101 + 2 + 513 = 666.

It is not a de Polignac number, because 122554311012513 - 2² = 122554311012509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122554311012013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113296495 + ... + 114373092.

It is an arithmetic number, because the mean of its divisors is an integer number (11348190613860).

Almost surely, 2^{122554311012513} is an apocalyptic number.

It is an amenable number.

122554311012513 is a deficient number, since it is larger than the sum of its proper divisors (59016738809247).

122554311012513 is a wasteful number, since it uses less digits than its factorization.

122554311012513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227689533 (or 227689527 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

Adding to 122554311012513 its reverse (315210113455221), we get a palindrome (437764424467734).

The spelling of 122554311012513 in words is "one hundred twenty-two trillion, five hundred fifty-four billion, three hundred eleven million, twelve thousand, five hundred thirteen".