2688820012 has 6 divisors (see below), whose sum is σ = 4705435028. Its totient is φ = 1344410004.

The previous prime is 2688820003. The next prime is 2688820021. The reversal of 2688820012 is 2100288862.

It is an interprime number because it is at equal distance from previous prime (2688820003) and next prime (2688820021).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336102498 + ... + 336102505.

Almost surely, 2^2688820012 is an apocalyptic number.

It is an amenable number.

2688820012 is a deficient number, since it is larger than the sum of its proper divisors (2016615016).

2688820012 is a wasteful number, since it uses less digits than its factorization.

2688820012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672205007 (or 672205005 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 2688820012 is about 51853.8331466440. The cubic root of 2688820012 is about 1390.5520316530.

The spelling of 2688820012 in words is "two billion, six hundred eighty-eight million, eight hundred twenty thousand, twelve".