212385868 has 6 divisors (see below), whose sum is σ = 371675276. Its totient is φ = 106192932.

The previous prime is 212385853. The next prime is 212385871. The reversal of 212385868 is 868583212.

It is a super-2 number, since 2×212385868² = 90215513852226848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26548230 + ... + 26548237.

Almost surely, 2^212385868 is an apocalyptic number.

It is an amenable number.

212385868 is a deficient number, since it is larger than the sum of its proper divisors (159289408).

212385868 is a wasteful number, since it uses less digits than its factorization.

212385868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53096471 (or 53096469 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The square root of 212385868 is about 14573.4645160305. The cubic root of 212385868 is about 596.6347418323.

The spelling of 212385868 in words is "two hundred twelve million, three hundred eighty-five thousand, eight hundred sixty-eight".