212371672 has 16 divisors (see below), whose sum is σ = 398352240. Its totient is φ = 106144416.

The previous prime is 212371661. The next prime is 212371681. The reversal of 212371672 is 276173212.

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 in 3 ways as a sum of consecutive naturals, for example, 34458 + ... + 40150.

It is an arithmetic number, because the mean of its divisors is an integer number (24897015).

Almost surely, 2^212371672 is an apocalyptic number.

It is an amenable number.

212371672 is a deficient number, since it is larger than the sum of its proper divisors (185980568).

212371672 is a wasteful number, since it uses less digits than its factorization.

212371672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10362 (or 10358 counting only the distinct ones).

The product of its digits is 7056, while the sum is 31.

The square root of 212371672 is about 14572.9774582959. The cubic root of 212371672 is about 596.6214483936.

The spelling of 212371672 in words is "two hundred twelve million, three hundred seventy-one thousand, six hundred seventy-two".