247302012 has 12 divisors (see below), whose sum is σ = 577038056. Its totient is φ = 82434000.

The previous prime is 247302001. The next prime is 247302023. The reversal of 247302012 is 210203742.

It is an interprime number because it is at equal distance from previous prime (247302001) and next prime (247302023).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×247302012² = 122316570278496288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 247302012.

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, 10304239 + ... + 10304262.

Almost surely, 2^247302012 is an apocalyptic number.

It is an amenable number.

247302012 is an abundant number, since it is smaller than the sum of its proper divisors (329736044).

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

247302012 is a wasteful number, since it uses less digits than its factorization.

247302012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20608508 (or 20608506 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 247302012 is about 15725.8389919266. The cubic root of 247302012 is about 627.6861556758.

Adding to 247302012 its reverse (210203742), we get a palindrome (457505754).

The spelling of 247302012 in words is "two hundred forty-seven million, three hundred two thousand, twelve".