225123242512 has 160 divisors (see below), whose sum is σ = 513542528000. Its totient is φ = 95560819200.

The previous prime is 225123242507. The next prime is 225123242581. The reversal of 225123242512 is 215242321522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340579462 + ... + 340580122.

It is an arithmetic number, because the mean of its divisors is an integer number (3209640800).

Almost surely, 2^225123242512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225123242512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256771264000).

225123242512 is an abundant number, since it is smaller than the sum of its proper divisors (288419285488).

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

225123242512 is a wasteful number, since it uses less digits than its factorization.

225123242512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190 (or 1170 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The spelling of 225123242512 in words is "two hundred twenty-five billion, one hundred twenty-three million, two hundred forty-two thousand, five hundred twelve".