212262947 has 8 divisors (see below), whose sum is σ = 228735360. Its totient is φ = 195811200.

The previous prime is 212262937. The next prime is 212262959. The reversal of 212262947 is 749262212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212262947 - 2⁴ = 212262931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212262937) 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, 21179 + ... + 29547.

It is an arithmetic number, because the mean of its divisors is an integer number (28591920).

Almost surely, 2^212262947 is an apocalyptic number.

212262947 is a deficient number, since it is larger than the sum of its proper divisors (16472413).

212262947 is a wasteful number, since it uses less digits than its factorization.

212262947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10333.

The product of its digits is 24192, while the sum is 35.

The square root of 212262947 is about 14569.2466174473. The cubic root of 212262947 is about 596.5196163252.

The spelling of 212262947 in words is "two hundred twelve million, two hundred sixty-two thousand, nine hundred forty-seven".