122406122448 has 240 divisors, whose sum is σ = 371802203136. Its totient is φ = 37446266880.

The previous prime is 122406122407. The next prime is 122406122459. The reversal of 122406122448 is 844221604221.

122406122448 is a `hidden beast` number, since 1 + 2 + 2 + 406 + 1 + 2 + 244 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 33709593 + ... + 33713223.

Almost surely, 2^122406122448 is an apocalyptic number.

122406122448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122406122448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185901101568).

122406122448 is an abundant number, since it is smaller than the sum of its proper divisors (249396080688).

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

122406122448 is a wasteful number, since it uses less digits than its factorization.

122406122448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4002 (or 3993 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

Adding to 122406122448 its reverse (844221604221), we get a palindrome (966627726669).

The spelling of 122406122448 in words is "one hundred twenty-two billion, four hundred six million, one hundred twenty-two thousand, four hundred forty-eight".