2012251332 has 96 divisors (see below), whose sum is σ = 5797999872. Its totient is φ = 528938496.

The previous prime is 2012251331. The next prime is 2012251337. The reversal of 2012251332 is 2331522102.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2012251299 and 2012251308.

It is not an unprimeable number, because it can be changed into a prime (2012251331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 343258 + ... + 349070.

It is an arithmetic number, because the mean of its divisors is an integer number (60395832).

Almost surely, 2^2012251332 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 2012251332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2898999936).

2012251332 is an abundant number, since it is smaller than the sum of its proper divisors (3785748540).

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

2012251332 is a wasteful number, since it uses less digits than its factorization.

2012251332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6157 (or 6155 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2012251332 is about 44858.1244815251. The cubic root of 2012251332 is about 1262.4884332110.

Adding to 2012251332 its reverse (2331522102), we get a palindrome (4343773434).

The spelling of 2012251332 in words is "two billion, twelve million, two hundred fifty-one thousand, three hundred thirty-two".