268213612 has 12 divisors (see below), whose sum is σ = 484515136. Its totient is φ = 129780720.

The previous prime is 268213601. The next prime is 268213639. The reversal of 268213612 is 216312862.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081383 + ... + 1081630.

Almost surely, 2^268213612 is an apocalyptic number.

It is an amenable number.

268213612 is a deficient number, since it is larger than the sum of its proper divisors (216301524).

268213612 is a wasteful number, since it uses less digits than its factorization.

268213612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163048 (or 2163046 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 268213612 is about 16377.2284590525. The cubic root of 268213612 is about 644.9018234883.

The spelling of 268213612 in words is "two hundred sixty-eight million, two hundred thirteen thousand, six hundred twelve".