122020173066 has 64 divisors (see below), whose sum is σ = 271080971136. Its totient is φ = 36303686400.

The previous prime is 122020173013. The next prime is 122020173139. The reversal of 122020173066 is 660371020221.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2215276 + ... + 2269688.

It is an arithmetic number, because the mean of its divisors is an integer number (4235640174).

Almost surely, 2^122020173066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122020173066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135540485568).

122020173066 is an abundant number, since it is smaller than the sum of its proper divisors (149060798070).

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

122020173066 is a wasteful number, since it uses less digits than its factorization.

122020173066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55047.

The product of its (nonzero) digits is 6048, while the sum is 30.

Adding to 122020173066 its reverse (660371020221), we get a palindrome (782391193287).

The spelling of 122020173066 in words is "one hundred twenty-two billion, twenty million, one hundred seventy-three thousand, sixty-six".