2125732312 has 128 divisors (see below), whose sum is σ = 4819046400. Its totient is φ = 867715200.

The previous prime is 2125732291. The next prime is 2125732327. The reversal of 2125732312 is 2132375212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6421987 + ... + 6422317.

It is an arithmetic number, because the mean of its divisors is an integer number (37648800).

Almost surely, 2^2125732312 is an apocalyptic number.

2125732312 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 2125732312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2409523200).

2125732312 is an abundant number, since it is smaller than the sum of its proper divisors (2693314088).

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

2125732312 is a wasteful number, since it uses less digits than its factorization.

2125732312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 553 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 2125732312 is about 46105.6646411263. The cubic root of 2125732312 is about 1285.7884631019.

It can be divided in two parts, 2125 and 732312, that added together give a palindrome (734437).

The spelling of 2125732312 in words is "two billion, one hundred twenty-five million, seven hundred thirty-two thousand, three hundred twelve".