122706805090 has 32 divisors (see below), whose sum is σ = 228008981376. Its totient is φ = 47516985600.

The previous prime is 122706805033. The next prime is 122706805121. The reversal of 122706805090 is 90508607221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1214086 + ... + 1311265.

It is an arithmetic number, because the mean of its divisors is an integer number (7125280668).

Almost surely, 2^122706805090 is an apocalyptic number.

122706805090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122706805090 is a deficient number, since it is larger than the sum of its proper divisors (105302176286).

122706805090 is a wasteful number, since it uses less digits than its factorization.

122706805090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525514.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 122706805090 in words is "one hundred twenty-two billion, seven hundred six million, eight hundred five thousand, ninety".