212668027 has 24 divisors (see below), whose sum is σ = 253112832. Its totient is φ = 177492480.

The previous prime is 212668003. The next prime is 212668031. The reversal of 212668027 is 720866212.

It is not a de Polignac number, because 212668027 - 2¹¹ = 212665979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212667983 and 212668001.

It is not an unprimeable number, because it can be changed into a prime (212668427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 555078 + ... + 555460.

It is an arithmetic number, because the mean of its divisors is an integer number (10546368).

Almost surely, 2^212668027 is an apocalyptic number.

212668027 is a deficient number, since it is larger than the sum of its proper divisors (40444805).

212668027 is a wasteful number, since it uses less digits than its factorization.

212668027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 212668027 is about 14583.1418768385. The cubic root of 212668027 is about 596.8988387617.

The spelling of 212668027 in words is "two hundred twelve million, six hundred sixty-eight thousand, twenty-seven".