122148112240 has 160 divisors (see below), whose sum is σ = 355544386560. Its totient is φ = 37913702400.

The previous prime is 122148112159. The next prime is 122148112253. The reversal of 122148112240 is 42211841221.

It is a super-2 number, since 2×122148112240² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 122148112199 and 122148112208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1443421 + ... + 1525699.

It is an arithmetic number, because the mean of its divisors is an integer number (2222152416).

Almost surely, 2^122148112240 is an apocalyptic number.

122148112240 is a gapful number since it is divisible by the number (10) 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 122148112240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177772193280).

122148112240 is an abundant number, since it is smaller than the sum of its proper divisors (233396274320).

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

122148112240 is a wasteful number, since it uses less digits than its factorization.

122148112240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82551 (or 82545 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

Adding to 122148112240 its reverse (42211841221), we get a palindrome (164359953461).

The spelling of 122148112240 in words is "one hundred twenty-two billion, one hundred forty-eight million, one hundred twelve thousand, two hundred forty".