123220303012 has 12 divisors (see below), whose sum is σ = 218233549296. Its totient is φ = 60867860360.

The previous prime is 123220302917. The next prime is 123220303013. The reversal of 123220303012 is 210303022321.

123220303012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (123220303013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185572414 + ... + 185573077.

It is an arithmetic number, because the mean of its divisors is an integer number (18186129108).

Almost surely, 2^123220303012 is an apocalyptic number.

It is an amenable number.

123220303012 is a deficient number, since it is larger than the sum of its proper divisors (95013246284).

123220303012 is a wasteful number, since it uses less digits than its factorization.

123220303012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371145578 (or 371145576 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 123220303012 its reverse (210303022321), we get a palindrome (333523325333).

The spelling of 123220303012 in words is "one hundred twenty-three billion, two hundred twenty million, three hundred three thousand, twelve".