212307483 has 4 divisors (see below), whose sum is σ = 283076648. Its totient is φ = 141538320.

The previous prime is 212307461. The next prime is 212307541. The reversal of 212307483 is 384703212.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 212307483 - 2⁶ = 212307419 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 212307483.

It is not an unprimeable number, because it can be changed into a prime (212300483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35384578 + ... + 35384583.

It is an arithmetic number, because the mean of its divisors is an integer number (70769162).

Almost surely, 2^212307483 is an apocalyptic number.

212307483 is a deficient number, since it is larger than the sum of its proper divisors (70769165).

212307483 is an equidigital number, since it uses as much as digits as its factorization.

212307483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70769164.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 212307483 is about 14570.7749622318. The cubic root of 212307483 is about 596.5613330421.

The spelling of 212307483 in words is "two hundred twelve million, three hundred seven thousand, four hundred eighty-three".