268513212 has 24 divisors (see below), whose sum is σ = 683488512. Its totient is φ = 81367600.

The previous prime is 268513207. The next prime is 268513213. The reversal of 268513212 is 212315862.

It is a self number, because there is not a number n which added to its sum of digits gives 268513212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268513213) 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, 1016964 + ... + 1017227.

It is an arithmetic number, because the mean of its divisors is an integer number (28478688).

Almost surely, 2^268513212 is an apocalyptic number.

268513212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

268513212 is an abundant number, since it is smaller than the sum of its proper divisors (414975300).

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

268513212 is a wasteful number, since it uses less digits than its factorization.

268513212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034209 (or 2034207 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 268513212 is about 16386.3727529920. The cubic root of 268513212 is about 645.1418569064.

The spelling of 268513212 in words is "two hundred sixty-eight million, five hundred thirteen thousand, two hundred twelve".