122105892708 has 72 divisors (see below), whose sum is σ = 325162000800. Its totient is φ = 38528856576.

The previous prime is 122105892697. The next prime is 122105892721. The reversal of 122105892708 is 807298501221.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 790260 + ... + 932052.

It is an arithmetic number, because the mean of its divisors is an integer number (4516138900).

Almost surely, 2^122105892708 is an apocalyptic number.

122105892708 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122105892708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162581000400).

122105892708 is an abundant number, since it is smaller than the sum of its proper divisors (203056108092).

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

122105892708 is a wasteful number, since it uses less digits than its factorization.

122105892708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143081 (or 143076 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 122105892708 in words is "one hundred twenty-two billion, one hundred five million, eight hundred ninety-two thousand, seven hundred eight".