2012556200 has 48 divisors (see below), whose sum is σ = 4683969180. Its totient is φ = 804200960.

The previous prime is 2012556187. The next prime is 2012556211. The reversal of 2012556200 is 26552102.

It can be written as a sum of positive squares in 6 ways, for example, as 96393124 + 1916163076 = 9818^2 + 43774^2 .

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 11 ways as a sum of consecutive naturals, for example, 214814 + ... + 223986.

Almost surely, 2^2012556200 is an apocalyptic number.

2012556200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012556200 is an abundant number, since it is smaller than the sum of its proper divisors (2671412980).

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

2012556200 is a wasteful number, since it uses less digits than its factorization.

2012556200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10286 (or 10277 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2012556200 is about 44861.5224886539. The cubic root of 2012556200 is about 1262.5521881508.

The spelling of 2012556200 in words is "two billion, twelve million, five hundred fifty-six thousand, two hundred".