123303112012 has 24 divisors (see below), whose sum is σ = 232218887040. Its totient is φ = 57073762560.

The previous prime is 123303112001. The next prime is 123303112013. The reversal of 123303112012 is 210211303321.

It is not an unprimeable number, because it can be changed into a prime (123303112013) 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, 14858812 + ... + 14867107.

It is an arithmetic number, because the mean of its divisors is an integer number (9675786960).

Almost surely, 2^123303112012 is an apocalyptic number.

It is an amenable number.

123303112012 is a deficient number, since it is larger than the sum of its proper divisors (108915775028).

123303112012 is a wasteful number, since it uses less digits than its factorization.

123303112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29726001 (or 29725999 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123303112012 its reverse (210211303321), we get a palindrome (333514415333).

The spelling of 123303112012 in words is "one hundred twenty-three billion, three hundred three million, one hundred twelve thousand, twelve".