123003244012 has 48 divisors (see below), whose sum is σ = 247670035200. Its totient is φ = 52863658560.

The previous prime is 123003243947. The next prime is 123003244033. The reversal of 123003244012 is 210442300321.

It is a super-2 number, since 2×123003244012² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280993 + ... + 570055.

It is an arithmetic number, because the mean of its divisors is an integer number (5159792400).

Almost surely, 2^123003244012 is an apocalyptic number.

It is an amenable number.

123003244012 is an abundant number, since it is smaller than the sum of its proper divisors (124666791188).

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

123003244012 is a wasteful number, since it uses less digits than its factorization.

123003244012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289606 (or 289604 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 123003244012 its reverse (210442300321), we get a palindrome (333445544333).

The spelling of 123003244012 in words is "one hundred twenty-three billion, three million, two hundred forty-four thousand, twelve".