212652231 has 16 divisors (see below), whose sum is σ = 309657600. Its totient is φ = 128736320.

The previous prime is 212652221. The next prime is 212652233. The reversal of 212652231 is 132256212.

212652231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 212652231 - 2¹⁰ = 212651207 is a prime.

It is a super-2 number, since 2×212652231² = 90441942698554722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212652233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31546 + ... + 37688.

It is an arithmetic number, because the mean of its divisors is an integer number (19353600).

Almost surely, 2^212652231 is an apocalyptic number.

212652231 is a deficient number, since it is larger than the sum of its proper divisors (97005369).

212652231 is a wasteful number, since it uses less digits than its factorization.

212652231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7206.

The product of its digits is 1440, while the sum is 24.

The square root of 212652231 is about 14582.6002825285. The cubic root of 212652231 is about 596.8840600984.

The spelling of 212652231 in words is "two hundred twelve million, six hundred fifty-two thousand, two hundred thirty-one".