122547042000 has 240 divisors, whose sum is σ = 428344579728. Its totient is φ = 32654131200.

The previous prime is 122547041971. The next prime is 122547042047. The reversal of 122547042000 is 240745221.

122547042000 is a `hidden beast` number, since 122 + 54 + 70 + 420 + 0 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 5755346496 + 116791695504 = 75864^2 + 341748^2 .

It is a tau number, because it is divible by the number of its divisors (240).

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 47 ways as a sum of consecutive naturals, for example, 44512624 + ... + 44515376.

Almost surely, 2^122547042000 is an apocalyptic number.

122547042000 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 122547042000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214172289864).

122547042000 is an abundant number, since it is smaller than the sum of its proper divisors (305797537728).

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

122547042000 is a wasteful number, since it uses less digits than its factorization.

122547042000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255 (or 5236 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

Adding to 122547042000 its reverse (240745221), we get a palindrome (122787787221).

The spelling of 122547042000 in words is "one hundred twenty-two billion, five hundred forty-seven million, forty-two thousand".