2125225212 has 96 divisors (see below), whose sum is σ = 5777049600. Its totient is φ = 601708800.

The previous prime is 2125225171. The next prime is 2125225237.

2125225212 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109714 + ... + 127622.

It is an arithmetic number, because the mean of its divisors is an integer number (60177600).

Almost surely, 2^2125225212 is an apocalyptic number.

2125225212 is a gapful number since it is divisible by the number (22) 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 2125225212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2888524800).

2125225212 is an abundant number, since it is smaller than the sum of its proper divisors (3651824388).

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

2125225212 is a wasteful number, since it uses less digits than its factorization.

2125225212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17987 (or 17985 counting only the distinct ones).

The product of its digits is 1600, while the sum is 24.

The square root of 2125225212 is about 46100.1649888588. The cubic root of 2125225212 is about 1285.6862120360.

It can be divided in two parts, 21252 and 25212, that added together give a palindrome (46464).

The spelling of 2125225212 in words is "two billion, one hundred twenty-five million, two hundred twenty-five thousand, two hundred twelve".