122373992448 has 156 divisors (see below), whose sum is σ = 374276670768. Its totient is φ = 38391644160.

The previous prime is 122373992401. The next prime is 122373992467. The reversal of 122373992448 is 844299373221.

It is a happy number.

122373992448 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 7 + 399 + 244 + 8 = 666.

It is a super-2 number, since 2×122373992448² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122373992394 and 122373992403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 529053 + ... + 724323.

It is an arithmetic number, because the mean of its divisors is an integer number (2399209428).

Almost surely, 2^122373992448 is an apocalyptic number.

122373992448 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 122373992448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187138335384).

122373992448 is an abundant number, since it is smaller than the sum of its proper divisors (251902678320).

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

122373992448 is a wasteful number, since it uses less digits than its factorization.

122373992448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195318 (or 195293 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The spelling of 122373992448 in words is "one hundred twenty-two billion, three hundred seventy-three million, nine hundred ninety-two thousand, four hundred forty-eight".