122313215243115 has 24 divisors (see below), whose sum is σ = 228318001788240. Its totient is φ = 60215736734784.

The previous prime is 122313215243057. The next prime is 122313215243231. The reversal of 122313215243115 is 511342512313221.

122313215243115 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 1 + 3 + 215 + 2 + 431 + 1 + 5 = 666.

It is not a de Polignac number, because 122313215243115 - 2¹⁴ = 122313215226731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122313215243115.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104541209025 + ... + 104541210194.

It is an arithmetic number, because the mean of its divisors is an integer number (9513250074510).

Almost surely, 2^{122313215243115} is an apocalyptic number.

122313215243115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122313215243115 is a deficient number, since it is larger than the sum of its proper divisors (106004786545125).

122313215243115 is a wasteful number, since it uses less digits than its factorization.

122313215243115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209082419243 (or 209082419240 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

Adding to 122313215243115 its reverse (511342512313221), we get a palindrome (633655727556336).

The spelling of 122313215243115 in words is "one hundred twenty-two trillion, three hundred thirteen billion, two hundred fifteen million, two hundred forty-three thousand, one hundred fifteen".