212783371 has 4 divisors (see below), whose sum is σ = 214977112. Its totient is φ = 210589632.

The previous prime is 212783273. The next prime is 212783383. The reversal of 212783371 is 173387212.

It is a happy number.

212783371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 212783371 - 2¹⁹ = 212259083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212783471) 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, 1096725 + ... + 1096918.

It is an arithmetic number, because the mean of its divisors is an integer number (53744278).

Almost surely, 2^212783371 is an apocalyptic number.

212783371 is a deficient number, since it is larger than the sum of its proper divisors (2193741).

212783371 is an equidigital number, since it uses as much as digits as its factorization.

212783371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193740.

The product of its digits is 14112, while the sum is 34.

The square root of 212783371 is about 14587.0960441069. The cubic root of 212783371 is about 597.0067318903.

It can be divided in two parts, 21278 and 3371, that added together give a square (24649 = 157²).

The spelling of 212783371 in words is "two hundred twelve million, seven hundred eighty-three thousand, three hundred seventy-one".