122312143405144 has 64 divisors (see below), whose sum is σ = 285976231349760. Its totient is φ = 47645458467840.

The previous prime is 122312143405117. The next prime is 122312143405147. The reversal of 122312143405144 is 441504341213221.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14557977 + ... + 21367240.

It is an arithmetic number, because the mean of its divisors is an integer number (4468378614840).

Almost surely, 2^{122312143405144} is an apocalyptic number.

122312143405144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

122312143405144 is an abundant number, since it is smaller than the sum of its proper divisors (163664087944616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122312143405144 is a wasteful number, since it uses less digits than its factorization.

122312143405144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35930768 (or 35930764 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

Adding to 122312143405144 its reverse (441504341213221), we get a palindrome (563816484618365).

The spelling of 122312143405144 in words is "one hundred twenty-two trillion, three hundred twelve billion, one hundred forty-three million, four hundred five thousand, one hundred forty-four".