122161300064 has 48 divisors (see below), whose sum is σ = 247015319040. Its totient is φ = 59435043840.

The previous prime is 122161300057. The next prime is 122161300087. The reversal of 122161300064 is 460003161221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380942 + ... + 624050.

It is an arithmetic number, because the mean of its divisors is an integer number (5146152480).

Almost surely, 2^122161300064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122161300064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123507659520).

122161300064 is an abundant number, since it is smaller than the sum of its proper divisors (124854018976).

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

122161300064 is a wasteful number, since it uses less digits than its factorization.

122161300064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243543 (or 243535 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 122161300064 its reverse (460003161221), we get a palindrome (582164461285).

The spelling of 122161300064 in words is "one hundred twenty-two billion, one hundred sixty-one million, three hundred thousand, sixty-four".