212878572403 has 8 divisors (see below), whose sum is σ = 243293623040. Its totient is φ = 182464478280.

The previous prime is 212878572377. The next prime is 212878572407. The reversal of 212878572403 is 304275878212.

212878572403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-212878572403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212878572407) 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 7 ways as a sum of consecutive naturals, for example, 327208 + ... + 729946.

It is an arithmetic number, because the mean of its divisors is an integer number (30411702880).

Almost surely, 2^212878572403 is an apocalyptic number.

212878572403 is a deficient number, since it is larger than the sum of its proper divisors (30415050637).

212878572403 is an equidigital number, since it uses as much as digits as its factorization.

212878572403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478257.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 212878572403 in words is "two hundred twelve billion, eight hundred seventy-eight million, five hundred seventy-two thousand, four hundred three".