212450313 has 4 divisors (see below), whose sum is σ = 283267088. Its totient is φ = 141633540.

The previous prime is 212450311. The next prime is 212450323. The reversal of 212450313 is 313054212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 212450313 - 2¹ = 212450311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212450313.

It is not an unprimeable number, because it can be changed into a prime (212450311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35408383 + ... + 35408388.

It is an arithmetic number, because the mean of its divisors is an integer number (70816772).

Almost surely, 2^212450313 is an apocalyptic number.

It is an amenable number.

212450313 is a deficient number, since it is larger than the sum of its proper divisors (70816775).

212450313 is an equidigital number, since it uses as much as digits as its factorization.

212450313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70816774.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 212450313 is about 14575.6753874392. The cubic root of 212450313 is about 596.6950820642.

The spelling of 212450313 in words is "two hundred twelve million, four hundred fifty thousand, three hundred thirteen".