247241212 has 12 divisors (see below), whose sum is σ = 436642360. Its totient is φ = 122486256.

The previous prime is 247241207. The next prime is 247241221. The reversal of 247241212 is 212142742.

247241212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247241212² = 122256433822457888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283098 + ... + 283969.

Almost surely, 2^247241212 is an apocalyptic number.

It is an amenable number.

247241212 is a deficient number, since it is larger than the sum of its proper divisors (189401148).

247241212 is a wasteful number, since it uses less digits than its factorization.

247241212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567180 (or 567178 counting only the distinct ones).

The product of its digits is 1792, while the sum is 25.

The square root of 247241212 is about 15723.9057488908. The cubic root of 247241212 is about 627.6347119022.

Adding to 247241212 its reverse (212142742), we get a palindrome (459383954).

The spelling of 247241212 in words is "two hundred forty-seven million, two hundred forty-one thousand, two hundred twelve".