212365672 has 16 divisors (see below), whose sum is σ = 401227200. Its totient is φ = 105371760.

The previous prime is 212365633. The next prime is 212365817. The reversal of 212365672 is 276563212.

It is a super-3 number, since 3×212365672³ (a number of 26 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100272 + ... + 102367.

It is an arithmetic number, because the mean of its divisors is an integer number (25076700).

Almost surely, 2^212365672 is an apocalyptic number.

It is an amenable number.

212365672 is a deficient number, since it is larger than the sum of its proper divisors (188861528).

212365672 is a wasteful number, since it uses less digits than its factorization.

212365672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202776 (or 202772 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 212365672 is about 14572.7715963711. The cubic root of 212365672 is about 596.6158296869.

The spelling of 212365672 in words is "two hundred twelve million, three hundred sixty-five thousand, six hundred seventy-two".