122040045522 has 64 divisors (see below), whose sum is σ = 281803038720. Its totient is φ = 39106962000.

The previous prime is 122040045509. The next prime is 122040045577. The reversal of 122040045522 is 225540040221.

122040045522 is a `hidden beast` number, since 1 + 2 + 204 + 0 + 0 + 455 + 2 + 2 = 666.

It is a super-2 number, since 2×122040045522² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 11373 + ... + 494175.

It is an arithmetic number, because the mean of its divisors is an integer number (4403172480).

Almost surely, 2^122040045522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122040045522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140901519360).

122040045522 is an abundant number, since it is smaller than the sum of its proper divisors (159762993198).

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

122040045522 is a wasteful number, since it uses less digits than its factorization.

122040045522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482996 (or 482990 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 122040045522 its reverse (225540040221), we get a palindrome (347580085743).

The spelling of 122040045522 in words is "one hundred twenty-two billion, forty million, forty-five thousand, five hundred twenty-two".