212954884793 has 54 divisors (see below), whose sum is σ = 267804194058. Its totient is φ = 168260561280.

The previous prime is 212954884777. The next prime is 212954884823. The reversal of 212954884793 is 397488459212.

212954884793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 200428126864 + 12526757929 = 447692^2 + 111923^2 .

It is not a de Polignac number, because 212954884793 - 2⁴ = 212954884777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212954884693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 785811248 + ... + 785811518.

It is an arithmetic number, because the mean of its divisors is an integer number (4959336927).

Almost surely, 2^212954884793 is an apocalyptic number.

It is an amenable number.

212954884793 is a deficient number, since it is larger than the sum of its proper divisors (54849309265).

212954884793 is an frugal number, since it uses more digits than its factorization.

212954884793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691 (or 354 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 62.

The spelling of 212954884793 in words is "two hundred twelve billion, nine hundred fifty-four million, eight hundred eighty-four thousand, seven hundred ninety-three".