2118465648212 has 24 divisors (see below), whose sum is σ = 3786473295360. Its totient is φ = 1036619461280.

The previous prime is 2118465648203. The next prime is 2118465648217. The reversal of 2118465648212 is 2128465648112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118465648217) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2181989 + ... + 2999667.

It is an arithmetic number, because the mean of its divisors is an integer number (157769720640).

Almost surely, 2^{2118465648212} is an apocalyptic number.

It is an amenable number.

2118465648212 is a deficient number, since it is larger than the sum of its proper divisors (1668007647148).

2118465648212 is a wasteful number, since it uses less digits than its factorization.

2118465648212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831511 (or 831509 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 50.

The spelling of 2118465648212 in words is "two trillion, one hundred eighteen billion, four hundred sixty-five million, six hundred forty-eight thousand, two hundred twelve".