122012303322 has 128 divisors (see below), whose sum is σ = 302389839360. Its totient is φ = 31959982080.

The previous prime is 122012303311. The next prime is 122012303339. The reversal of 122012303322 is 223303210221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65141778 + ... + 65143650.

It is an arithmetic number, because the mean of its divisors is an integer number (2362420620).

Almost surely, 2^122012303322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122012303322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151194919680).

122012303322 is an abundant number, since it is smaller than the sum of its proper divisors (180377536038).

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

122012303322 is a wasteful number, since it uses less digits than its factorization.

122012303322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 122012303322 its reverse (223303210221), we get a palindrome (345315513543).

The spelling of 122012303322 in words is "one hundred twenty-two billion, twelve million, three hundred three thousand, three hundred twenty-two".