25220122542000 has 240 divisors, whose sum is σ = 91122913608480. Its totient is φ = 6493456704000.

The previous prime is 25220122541983. The next prime is 25220122542019. The reversal of 25220122542000 is 24522102252.

It is a happy number.

25220122542000 is a `hidden beast` number, since 2 + 5 + 2 + 201 + 2 + 254 + 200 + 0 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23635206 + ... + 24679205.

It is an arithmetic number, because the mean of its divisors is an integer number (379678806702).

Almost surely, 2^{25220122542000} is an apocalyptic number.

25220122542000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25220122542000 is an abundant number, since it is smaller than the sum of its proper divisors (65902791066480).

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

25220122542000 is a wasteful number, since it uses less digits than its factorization.

25220122542000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48314469 (or 48314450 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 25220122542000 its reverse (24522102252), we get a palindrome (25244644644252).

The spelling of 25220122542000 in words is "twenty-five trillion, two hundred twenty billion, one hundred twenty-two million, five hundred forty-two thousand".