122312143405143 has 24 divisors (see below), whose sum is σ = 178436490520080. Its totient is φ = 80727682665600.

The previous prime is 122312143405117. The next prime is 122312143405147. The reversal of 122312143405143 is 341504341213221.

122312143405143 is a `hidden beast` number, since 1 + 2 + 2 + 31 + 214 + 3 + 405 + 1 + 4 + 3 = 666.

It is not a de Polignac number, because 122312143405143 - 2²⁹ = 122311606534231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122312143405098 and 122312143405107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122312143405147) 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 23 ways as a sum of consecutive naturals, for example, 6139155 + ... + 16802187.

It is an arithmetic number, because the mean of its divisors is an integer number (7434853771670).

Almost surely, 2^{122312143405143} is an apocalyptic number.

122312143405143 is a deficient number, since it is larger than the sum of its proper divisors (56124347114937).

122312143405143 is a wasteful number, since it uses less digits than its factorization.

122312143405143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10675759 (or 10675756 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 122312143405143 its reverse (341504341213221), we get a palindrome (463816484618364).

The spelling of 122312143405143 in words is "one hundred twenty-two trillion, three hundred twelve billion, one hundred forty-three million, four hundred five thousand, one hundred forty-three".