122427112376413 has 4 divisors (see below), whose sum is σ = 131844582559228. Its totient is φ = 113009642193600.

The previous prime is 122427112376347. The next prime is 122427112376419. The reversal of 122427112376413 is 314673211724221.

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 38079290988964 + 84347821387449 = 6170842^2 + 9184107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122427112376413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122427112376419) by changing a digit.

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, 4708735091388 + ... + 4708735091413.

It is an arithmetic number, because the mean of its divisors is an integer number (32961145639807).

Almost surely, 2^{122427112376413} is an apocalyptic number.

122427112376413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122427112376413 is a deficient number, since it is larger than the sum of its proper divisors (9417470182815).

122427112376413 is an equidigital number, since it uses as much as digits as its factorization.

122427112376413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9417470182814.

The product of its digits is 677376, while the sum is 46.

The spelling of 122427112376413 in words is "one hundred twenty-two trillion, four hundred twenty-seven billion, one hundred twelve million, three hundred seventy-six thousand, four hundred thirteen".