122421523103040 has 448 divisors, whose sum is σ = 445400573036544. Its totient is φ = 27907449004032.

The previous prime is 122421523103039. The next prime is 122421523103057. The reversal of 122421523103040 is 40301325124221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 122421523102989 and 122421523103007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8802863767 + ... + 8802877673.

Almost surely, 2^{122421523103040} is an apocalyptic number.

122421523103040 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 122421523103040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222700286518272).

122421523103040 is an abundant number, since it is smaller than the sum of its proper divisors (322979049933504).

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

122421523103040 is a wasteful number, since it uses less digits than its factorization.

122421523103040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17334 (or 17324 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 122421523103040 its reverse (40301325124221), we get a palindrome (162722848227261).

The spelling of 122421523103040 in words is "one hundred twenty-two trillion, four hundred twenty-one billion, five hundred twenty-three million, one hundred three thousand, forty".