123203122203212 has 6 divisors (see below), whose sum is σ = 215605463855628. Its totient is φ = 61601561101604.

The previous prime is 123203122203151. The next prime is 123203122203361. The reversal of 123203122203212 is 212302221302321.

123203122203212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15400390275398 + ... + 15400390275405.

It is an arithmetic number, because the mean of its divisors is an integer number (35934243975938).

Almost surely, 2^{123203122203212} is an apocalyptic number.

It is an amenable number.

123203122203212 is a deficient number, since it is larger than the sum of its proper divisors (92402341652416).

123203122203212 is a wasteful number, since it uses less digits than its factorization.

123203122203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30800780550807 (or 30800780550805 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 123203122203212 its reverse (212302221302321), we get a palindrome (335505343505533).

The spelling of 123203122203212 in words is "one hundred twenty-three trillion, two hundred three billion, one hundred twenty-two million, two hundred three thousand, two hundred twelve".