123002012322 has 80 divisors (see below), whose sum is σ = 316127232960. Its totient is φ = 35016471072.

The previous prime is 123002012293. The next prime is 123002012369. The reversal of 123002012322 is 223210200321.

123002012322 is a `hidden beast` number, since 1 + 230 + 0 + 201 + 232 + 2 = 666.

It is a super-2 number, since 2×123002012322² (a number of 23 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 123002012295 and 123002012304.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 118329 + ... + 509907.

It is an arithmetic number, because the mean of its divisors is an integer number (3951590412).

Almost surely, 2^123002012322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123002012322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158063616480).

123002012322 is an abundant number, since it is smaller than the sum of its proper divisors (193125220638).

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

123002012322 is a wasteful number, since it uses less digits than its factorization.

123002012322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391877 (or 391868 counting only the distinct ones).

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

Adding to 123002012322 its reverse (223210200321), we get a palindrome (346212212643).

The spelling of 123002012322 in words is "one hundred twenty-three billion, two million, twelve thousand, three hundred twenty-two".