212783302 has 4 divisors (see below), whose sum is σ = 319174956. Its totient is φ = 106391650.

The previous prime is 212783273. The next prime is 212783383. The reversal of 212783302 is 203387212.

212783302 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 super-2 number, since 2×212783302² = 90553467220046408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53195824 + ... + 53195827.

It is an arithmetic number, because the mean of its divisors is an integer number (79793739).

Almost surely, 2^212783302 is an apocalyptic number.

212783302 is a deficient number, since it is larger than the sum of its proper divisors (106391654).

212783302 is a wasteful number, since it uses less digits than its factorization.

212783302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106391653.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 212783302 is about 14587.0936790027. The cubic root of 212783302 is about 597.0066673591.

The spelling of 212783302 in words is "two hundred twelve million, seven hundred eighty-three thousand, three hundred two".