122323212102 has 128 divisors (see below), whose sum is σ = 308678501376. Its totient is φ = 31456968192.

The previous prime is 122323212101. The next prime is 122323212133. The reversal of 122323212102 is 201212323221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122323212101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4703928 + ... + 4729860.

It is an arithmetic number, because the mean of its divisors is an integer number (2411550792).

Almost surely, 2^122323212102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122323212102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154339250688).

122323212102 is an abundant number, since it is smaller than the sum of its proper divisors (186355289274).

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

122323212102 is a wasteful number, since it uses less digits than its factorization.

122323212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26174.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 122323212102 its reverse (201212323221), we get a palindrome (323535535323).

The spelling of 122323212102 in words is "one hundred twenty-two billion, three hundred twenty-three million, two hundred twelve thousand, one hundred two".