212745157275 has 96 divisors (see below), whose sum is σ = 412273612800. Its totient is φ = 94771814400.

The previous prime is 212745157267. The next prime is 212745157283. The reversal of 212745157275 is 572751547212.

212745157275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212745157267) and next prime (212745157283).

It is not a de Polignac number, because 212745157275 - 2³ = 212745157267 is a prime.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 19991406 + ... + 20002044.

It is an arithmetic number, because the mean of its divisors is an integer number (4294516800).

Almost surely, 2^212745157275 is an apocalyptic number.

212745157275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

212745157275 is a deficient number, since it is larger than the sum of its proper divisors (199528455525).

212745157275 is a wasteful number, since it uses less digits than its factorization.

212745157275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11629 (or 11624 counting only the distinct ones).

The product of its digits is 1372000, while the sum is 48.

The spelling of 212745157275 in words is "two hundred twelve billion, seven hundred forty-five million, one hundred fifty-seven thousand, two hundred seventy-five".