22125515412000 has 768 divisors, whose sum is σ = 97320138080256. Its totient is φ = 4243852800000.

The previous prime is 22125515411963. The next prime is 22125515412031. The reversal of 22125515412000 is 21451552122.

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

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 127 ways as a sum of consecutive naturals, for example, 11091025 + ... + 12932975.

It is an arithmetic number, because the mean of its divisors is an integer number (126718929792).

Almost surely, 2^{22125515412000} is an apocalyptic number.

22125515412000 is a gapful number since it is divisible by the number (20) 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 22125515412000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48660069040128).

22125515412000 is an abundant number, since it is smaller than the sum of its proper divisors (75194622668256).

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

22125515412000 is a wasteful number, since it uses less digits than its factorization.

22125515412000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842010 (or 1841992 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 22125515412000 its reverse (21451552122), we get a palindrome (22146966964122).

The spelling of 22125515412000 in words is "twenty-two trillion, one hundred twenty-five billion, five hundred fifteen million, four hundred twelve thousand".