2012630556 has 24 divisors (see below), whose sum is σ = 4943303680. Its totient is φ = 635567472.

The previous prime is 2012630549. The next prime is 2012630567. The reversal of 2012630556 is 6550362102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4413436 + ... + 4413891.

Almost surely, 2^2012630556 is an apocalyptic number.

It is an amenable number.

2012630556 is an abundant number, since it is smaller than the sum of its proper divisors (2930673124).

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

2012630556 is a wasteful number, since it uses less digits than its factorization.

2012630556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8827353 (or 8827351 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 2012630556 is about 44862.3512090037. The cubic root of 2012630556 is about 1262.5677367310.

Adding to 2012630556 its reverse (6550362102), we get a palindrome (8562992658).

The spelling of 2012630556 in words is "two billion, twelve million, six hundred thirty thousand, five hundred fifty-six".