2183291206812 has 36 divisors (see below), whose sum is σ = 5758826083920. Its totient is φ = 696121833792.

The previous prime is 2183291206799. The next prime is 2183291206813. The reversal of 2183291206812 is 2186021923812.

2183291206812 is a `hidden beast` number, since 2 + 1 + 83 + 291 + 206 + 81 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2183291206813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1318411737 + ... + 1318413392.

It is an arithmetic number, because the mean of its divisors is an integer number (159967391220).

Almost surely, 2^{2183291206812} is an apocalyptic number.

It is an amenable number.

2183291206812 is an abundant number, since it is smaller than the sum of its proper divisors (3575534877108).

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

2183291206812 is a wasteful number, since it uses less digits than its factorization.

2183291206812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636825162 (or 2636825157 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 2183291206812 in words is "two trillion, one hundred eighty-three billion, two hundred ninety-one million, two hundred six thousand, eight hundred twelve".