212886266 has 16 divisors (see below), whose sum is σ = 327859488. Its totient is φ = 103630800.

The previous prime is 212886263. The next prime is 212886299. The reversal of 212886266 is 662688212.

212886266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212886263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6221 + ... + 21551.

It is an arithmetic number, because the mean of its divisors is an integer number (20491218).

Almost surely, 2^212886266 is an apocalyptic number.

212886266 is a deficient number, since it is larger than the sum of its proper divisors (114973222).

212886266 is a wasteful number, since it uses less digits than its factorization.

212886266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15517.

The product of its digits is 110592, while the sum is 41.

The square root of 212886266 is about 14590.6225364102. The cubic root of 212886266 is about 597.1029472859.

The spelling of 212886266 in words is "two hundred twelve million, eight hundred eighty-six thousand, two hundred sixty-six".