212270663 has 6 divisors (see below), whose sum is σ = 233322432. Its totient is φ = 192973220.

The previous prime is 212270621. The next prime is 212270693. The reversal of 212270663 is 366072212.

It is not a de Polignac number, because 212270663 - 2¹⁶ = 212205127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212270693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 877031 + ... + 877272.

It is an arithmetic number, because the mean of its divisors is an integer number (38887072).

Almost surely, 2^212270663 is an apocalyptic number.

212270663 is a deficient number, since it is larger than the sum of its proper divisors (21051769).

212270663 is a wasteful number, since it uses less digits than its factorization.

212270663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754325 (or 1754314 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 212270663 is about 14569.5114193991. The cubic root of 212270663 is about 596.5268442935.

The spelling of 212270663 in words is "two hundred twelve million, two hundred seventy thousand, six hundred sixty-three".