123212220303231 has 6 divisors (see below), whose sum is σ = 177973207104680. Its totient is φ = 82141480202148.

The previous prime is 123212220303229. The next prime is 123212220303247. The reversal of 123212220303231 is 132303022212321.

123212220303231 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 122 + 2 + 0 + 303 + 231 = 666.

It is not a de Polignac number, because 123212220303231 - 2¹ = 123212220303229 is a prime.

It is a super-2 number, since 2×123212220303231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123212220303195 and 123212220303204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123212220303281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6845123350171 + ... + 6845123350188.

Almost surely, 2^{123212220303231} is an apocalyptic number.

123212220303231 is a deficient number, since it is larger than the sum of its proper divisors (54760986801449).

123212220303231 is a wasteful number, since it uses less digits than its factorization.

123212220303231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13690246700365 (or 13690246700362 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 123212220303231 its reverse (132303022212321), we get a palindrome (255515242515552).

The spelling of 123212220303231 in words is "one hundred twenty-three trillion, two hundred twelve billion, two hundred twenty million, three hundred three thousand, two hundred thirty-one".