212254804 has 6 divisors (see below), whose sum is σ = 371445914. Its totient is φ = 106127400.

The previous prime is 212254789. The next prime is 212254831. The reversal of 212254804 is 408452212.

It can be written as a sum of positive squares in only one way, i.e., 149084100 + 63170704 = 12210^2 + 7948^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26531847 + ... + 26531854.

Almost surely, 2^212254804 is an apocalyptic number.

It is an amenable number.

212254804 is a deficient number, since it is larger than the sum of its proper divisors (159191110).

212254804 is a wasteful number, since it uses less digits than its factorization.

212254804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53063705 (or 53063703 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 212254804 is about 14568.9671562537. The cubic root of 212254804 is about 596.5119881743.

The spelling of 212254804 in words is "two hundred twelve million, two hundred fifty-four thousand, eight hundred four".