123213311206 has 16 divisors (see below), whose sum is σ = 190162981008. Its totient is φ = 59841482400.

The previous prime is 123213311197. The next prime is 123213311237. The reversal of 123213311206 is 602113312321.

It is a happy number.

123213311206 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3942205 + ... + 3973336.

It is an arithmetic number, because the mean of its divisors is an integer number (11885186313).

Almost surely, 2^123213311206 is an apocalyptic number.

123213311206 is a deficient number, since it is larger than the sum of its proper divisors (66949669802).

123213311206 is a wasteful number, since it uses less digits than its factorization.

123213311206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7915767.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 123213311206 its reverse (602113312321), we get a palindrome (725326623527).

The spelling of 123213311206 in words is "one hundred twenty-three billion, two hundred thirteen million, three hundred eleven thousand, two hundred six".