122669382420 has 240 divisors, whose sum is σ = 423240668928. Its totient is φ = 29552843520.

The previous prime is 122669382419. The next prime is 122669382439. The reversal of 122669382420 is 24283966221.

122669382420 is a `hidden beast` number, since 1 + 2 + 2 + 66 + 93 + 82 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 927855 + ... + 1051785.

Almost surely, 2^122669382420 is an apocalyptic number.

122669382420 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 122669382420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211620334464).

122669382420 is an abundant number, since it is smaller than the sum of its proper divisors (300571286508).

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

122669382420 is a wasteful number, since it uses less digits than its factorization.

122669382420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124012 (or 124001 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 122669382420 in words is "one hundred twenty-two billion, six hundred sixty-nine million, three hundred eighty-two thousand, four hundred twenty".