247316212 has 48 divisors (see below), whose sum is σ = 510374592. Its totient is φ = 103380480.

The previous prime is 247316161. The next prime is 247316213. The reversal of 247316212 is 212613742.

It is a super-2 number, since 2×247316212² = 122330617436057888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247316213) 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, 192123 + ... + 193405.

It is an arithmetic number, because the mean of its divisors is an integer number (10632804).

Almost surely, 2^247316212 is an apocalyptic number.

247316212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

247316212 is an abundant number, since it is smaller than the sum of its proper divisors (263058380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247316212 is a wasteful number, since it uses less digits than its factorization.

247316212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648 (or 1646 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 247316212 is about 15726.2904716910. The cubic root of 247316212 is about 627.6981692900.

Adding to 247316212 its reverse (212613742), we get a palindrome (459929954).

The spelling of 247316212 in words is "two hundred forty-seven million, three hundred sixteen thousand, two hundred twelve".