122163522340 has 48 divisors (see below), whose sum is σ = 265894398000. Its totient is φ = 47108500992.

The previous prime is 122163522331. The next prime is 122163522409. The reversal of 122163522340 is 43225361221.

It can be written as a sum of positive squares in 8 ways, for example, as 33867777024 + 88295745316 = 184032^2 + 297146^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 676615 + ... + 837934.

It is an arithmetic number, because the mean of its divisors is an integer number (5539466625).

Almost surely, 2^122163522340 is an apocalyptic number.

122163522340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122163522340 is an abundant number, since it is smaller than the sum of its proper divisors (143730875660).

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

122163522340 is a wasteful number, since it uses less digits than its factorization.

122163522340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514704 (or 1514702 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 122163522340 its reverse (43225361221), we get a palindrome (165388883561).

The spelling of 122163522340 in words is "one hundred twenty-two billion, one hundred sixty-three million, five hundred twenty-two thousand, three hundred forty".