1268122879213 has 8 divisors (see below), whose sum is σ = 1276679543040. Its totient is φ = 1259568301200.

The previous prime is 1268122879157. The next prime is 1268122879223. The reversal of 1268122879213 is 3129782218621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1268122879213 - 2¹³ = 1268122871021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268122879223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 708348 + ... + 1742986.

It is an arithmetic number, because the mean of its divisors is an integer number (159584942880).

Almost surely, 2^{1268122879213} is an apocalyptic number.

It is an amenable number.

1268122879213 is a deficient number, since it is larger than the sum of its proper divisors (8556663827).

1268122879213 is a wasteful number, since it uses less digits than its factorization.

1268122879213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042907.

The product of its digits is 1161216, while the sum is 52.

The spelling of 1268122879213 in words is "one trillion, two hundred sixty-eight billion, one hundred twenty-two million, eight hundred seventy-nine thousand, two hundred thirteen".