122020231302 has 128 divisors (see below), whose sum is σ = 277285939200. Its totient is φ = 39767760000.

The previous prime is 122020231301. The next prime is 122020231309. The reversal of 122020231302 is 203132020221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020231301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 188593543 + ... + 188594189.

It is an arithmetic number, because the mean of its divisors is an integer number (2166296400).

Almost surely, 2^122020231302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122020231302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138642969600).

122020231302 is an abundant number, since it is smaller than the sum of its proper divisors (155265707898).

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

122020231302 is a wasteful number, since it uses less digits than its factorization.

122020231302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 122020231302 its reverse (203132020221), we get a palindrome (325152251523).

The spelling of 122020231302 in words is "one hundred twenty-two billion, twenty million, two hundred thirty-one thousand, three hundred two".