212475824401 has 3 divisors (see below), whose sum is σ = 212476285353. Its totient is φ = 212475363450.

The previous prime is 212475824377. The next prime is 212475824411. The reversal of 212475824401 is 104428574212.

The square root of 212475824401 is 460951.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 212475824401 - 2⁵ = 212475824369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212475824411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 230476 + ... + 691426.

It is an arithmetic number, because the mean of its divisors is an integer number (70825428451).

Almost surely, 2^212475824401 is an apocalyptic number.

212475824401 is the 460951-st square number.

212475824401 is the 230476-th centered octagonal number.

It is an amenable number.

212475824401 is a deficient number, since it is larger than the sum of its proper divisors (460952).

212475824401 is an frugal number, since it uses more digits than its factorization.

212475824401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921902 (or 460951 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 40.

The spelling of 212475824401 in words is "two hundred twelve billion, four hundred seventy-five million, eight hundred twenty-four thousand, four hundred one".