123001003224442 has 16 divisors (see below), whose sum is σ = 210961072541952. Its totient is φ = 52689163199760.

The previous prime is 123001003224431. The next prime is 123001003224443. The reversal of 123001003224442 is 244422300100321.

It is a super-2 number, since 2×123001003224442² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123001003224442.

It is not an unprimeable number, because it can be changed into a prime (123001003224443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2129342409 + ... + 2129400172.

It is an arithmetic number, because the mean of its divisors is an integer number (13185067033872).

Almost surely, 2^{123001003224442} is an apocalyptic number.

123001003224442 is a deficient number, since it is larger than the sum of its proper divisors (87960069317510).

123001003224442 is a wasteful number, since it uses less digits than its factorization.

123001003224442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4258744653.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 123001003224442 its reverse (244422300100321), we get a palindrome (367423303324763).

The spelling of 123001003224442 in words is "one hundred twenty-three trillion, one billion, three million, two hundred twenty-four thousand, four hundred forty-two".