2012290056 has 144 divisors (see below), whose sum is σ = 6615648000. Its totient is φ = 549920448.

The previous prime is 2012290039. The next prime is 2012290067. The reversal of 2012290056 is 6500922102.

It is a super-2 number, since 2×2012290056² = 8098622538952966272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 68745 + ... + 93543.

It is an arithmetic number, because the mean of its divisors is an integer number (45942000).

Almost surely, 2^2012290056 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 2012290056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3307824000).

2012290056 is an abundant number, since it is smaller than the sum of its proper divisors (4603357944).

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

2012290056 is a wasteful number, since it uses less digits than its factorization.

2012290056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24848 (or 24834 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2012290056 is about 44858.5561069458. The cubic root of 2012290056 is about 1262.4965316508.

The spelling of 2012290056 in words is "two billion, twelve million, two hundred ninety thousand, fifty-six".