212827156 has 6 divisors (see below), whose sum is σ = 372447530. Its totient is φ = 106413576.

The previous prime is 212827129. The next prime is 212827157. The reversal of 212827156 is 651728212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 206496900 + 6330256 = 14370^2 + 2516^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212827157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26603391 + ... + 26603398.

Almost surely, 2^212827156 is an apocalyptic number.

It is an amenable number.

212827156 is a deficient number, since it is larger than the sum of its proper divisors (159620374).

212827156 is a wasteful number, since it uses less digits than its factorization.

212827156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53206793 (or 53206791 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 212827156 is about 14588.5967796769. The cubic root of 212827156 is about 597.0476783027.

The spelling of 212827156 in words is "two hundred twelve million, eight hundred twenty-seven thousand, one hundred fifty-six".