122812382909 has 8 divisors (see below), whose sum is σ = 122919829440. Its totient is φ = 122704978176.

The previous prime is 122812382827. The next prime is 122812382971. The reversal of 122812382909 is 909283218221.

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 122812382909 - 2¹² = 122812378813 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 (122812382509) 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 7 ways as a sum of consecutive naturals, for example, 8942522 + ... + 8956244.

It is an arithmetic number, because the mean of its divisors is an integer number (15364978680).

Almost surely, 2^122812382909 is an apocalyptic number.

It is an amenable number.

122812382909 is a deficient number, since it is larger than the sum of its proper divisors (107446531).

122812382909 is a wasteful number, since it uses less digits than its factorization.

122812382909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20899.

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 122812382909 in words is "one hundred twenty-two billion, eight hundred twelve million, three hundred eighty-two thousand, nine hundred nine".