122002267506 has 160 divisors (see below), whose sum is σ = 301080162240. Its totient is φ = 32864251392.

The previous prime is 122002267447. The next prime is 122002267531. The reversal of 122002267506 is 605762200221.

122002267506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 63774406 + ... + 63776318.

It is an arithmetic number, because the mean of its divisors is an integer number (1881751014).

Almost surely, 2^122002267506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122002267506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150540081120).

122002267506 is an abundant number, since it is smaller than the sum of its proper divisors (179077894734).

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

122002267506 is a wasteful number, since it uses less digits than its factorization.

122002267506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198 (or 2177 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

Adding to 122002267506 its reverse (605762200221), we get a palindrome (727764467727).

The spelling of 122002267506 in words is "one hundred twenty-two billion, two million, two hundred sixty-seven thousand, five hundred six".