2012551120 has 40 divisors (see below), whose sum is σ = 4954430664. Its totient is φ = 757665792.

The previous prime is 2012551097. The next prime is 2012551141. The reversal of 2012551120 is 211552102.

It can be written as a sum of positive squares in 4 ways, for example, as 153561664 + 1858989456 = 12392^2 + 43116^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2012551120² = 8100724021226508800, which contains 22 as substring.

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, 738549 + ... + 741268.

Almost surely, 2^2012551120 is an apocalyptic number.

2012551120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012551120 is an abundant number, since it is smaller than the sum of its proper divisors (2941879544).

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

2012551120 is a wasteful number, since it uses less digits than its factorization.

2012551120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479847 (or 1479841 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 2012551120 is about 44861.4658699423. The cubic root of 2012551120 is about 1262.5511258582.

The spelling of 2012551120 in words is "two billion, twelve million, five hundred fifty-one thousand, one hundred twenty".