2125424512 has 64 divisors (see below), whose sum is σ = 4467600000. Its totient is φ = 1004410368.

The previous prime is 2125424501. The next prime is 2125424513. The reversal of 2125424512 is 2154245212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125424513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1456039 + ... + 1457497.

It is an arithmetic number, because the mean of its divisors is an integer number (69806250).

Almost surely, 2^2125424512 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 2125424512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2233800000).

2125424512 is an abundant number, since it is smaller than the sum of its proper divisors (2342175488).

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

2125424512 is a wasteful number, since it uses less digits than its factorization.

2125424512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091 (or 2079 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 2125424512 is about 46102.3265356533. The cubic root of 2125424512 is about 1285.7264006007.

Adding to 2125424512 its reverse (2154245212), we get a palindrome (4279669724).

The spelling of 2125424512 in words is "two billion, one hundred twenty-five million, four hundred twenty-four thousand, five hundred twelve".