122554350450420 has 384 divisors, whose sum is σ = 419668145003520. Its totient is φ = 26083857530880.

The previous prime is 122554350450407. The next prime is 122554350450439. The reversal of 122554350450420 is 24054053455221.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2119958476 + ... + 2120016284.

It is an arithmetic number, because the mean of its divisors is an integer number (1092885794280).

Almost surely, 2^{122554350450420} is an apocalyptic number.

122554350450420 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 122554350450420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209834072501760).

122554350450420 is an abundant number, since it is smaller than the sum of its proper divisors (297113794553100).

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

122554350450420 is a wasteful number, since it uses less digits than its factorization.

122554350450420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61003 (or 61001 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 122554350450420 in words is "one hundred twenty-two trillion, five hundred fifty-four billion, three hundred fifty million, four hundred fifty thousand, four hundred twenty".