1212302868 has 24 divisors (see below), whose sum is σ = 3232807872. Its totient is φ = 346372224.

The previous prime is 1212302849. The next prime is 1212302869. The reversal of 1212302868 is 8682032121.

It is a super-2 number, since 2×1212302868² = 2939356487522050848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212302869) 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, 7216005 + ... + 7216172.

It is an arithmetic number, because the mean of its divisors is an integer number (134700328).

Almost surely, 2^1212302868 is an apocalyptic number.

It is an amenable number.

1212302868 is an abundant number, since it is smaller than the sum of its proper divisors (2020505004).

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

1212302868 is a wasteful number, since it uses less digits than its factorization.

1212302868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14432191 (or 14432189 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1212302868 is about 34818.1399273425. The cubic root of 1212302868 is about 1066.2778252399.

Adding to 1212302868 its reverse (8682032121), we get a palindrome (9894334989).

The spelling of 1212302868 in words is "one billion, two hundred twelve million, three hundred two thousand, eight hundred sixty-eight".