2812651226028 has 36 divisors (see below), whose sum is σ = 8125436875920. Its totient is φ = 803614635936.

The previous prime is 2812651225999. The next prime is 2812651226051. The reversal of 2812651226028 is 8206221562182.

2812651226028 is a `hidden beast` number, since 2 + 8 + 1 + 26 + 5 + 12 + 2 + 602 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2812651226028² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5580656943 + ... + 5580657446.

Almost surely, 2^{2812651226028} is an apocalyptic number.

2812651226028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2812651226028 is an abundant number, since it is smaller than the sum of its proper divisors (5312785649892).

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

2812651226028 is a wasteful number, since it uses less digits than its factorization.

2812651226028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11161314406 (or 11161314401 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 2812651226028 in words is "two trillion, eight hundred twelve billion, six hundred fifty-one million, two hundred twenty-six thousand, twenty-eight".