2812661012 has 24 divisors (see below), whose sum is σ = 5629712256. Its totient is φ = 1204485408.

The previous prime is 2812661011. The next prime is 2812661069. The reversal of 2812661012 is 2101662182.

2812661012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2812661012² = 15822123936849728288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2812661011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2063 + ... + 75030.

It is an arithmetic number, because the mean of its divisors is an integer number (234571344).

Almost surely, 2^2812661012 is an apocalyptic number.

It is an amenable number.

2812661012 is an abundant number, since it is smaller than the sum of its proper divisors (2817051244).

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

2812661012 is a wasteful number, since it uses less digits than its factorization.

2812661012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78407 (or 78405 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 2812661012 is about 53034.5266029593. The cubic root of 2812661012 is about 1411.5809793574.

The spelling of 2812661012 in words is "two billion, eight hundred twelve million, six hundred sixty-one thousand, twelve".