268212122387 has 4 divisors (see below), whose sum is σ = 292595042616. Its totient is φ = 243829202160.

The previous prime is 268212122369. The next prime is 268212122413. The reversal of 268212122387 is 783221212862.

268212122387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268212122387 - 2¹⁶ = 268212056851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268212122327) by changing a digit.

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, 12191460098 + ... + 12191460119.

It is an arithmetic number, because the mean of its divisors is an integer number (73148760654).

Almost surely, 2^268212122387 is an apocalyptic number.

268212122387 is a deficient number, since it is larger than the sum of its proper divisors (24382920229).

268212122387 is a wasteful number, since it uses less digits than its factorization.

268212122387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24382920228.

The product of its digits is 258048, while the sum is 44.

The spelling of 268212122387 in words is "two hundred sixty-eight billion, two hundred twelve million, one hundred twenty-two thousand, three hundred eighty-seven".