12231223023112 has 8 divisors (see below), whose sum is σ = 22933543168350. Its totient is φ = 6115611511552.

The previous prime is 12231223023109. The next prime is 12231223023133. The reversal of 12231223023112 is 21132032213221.

It can be written as a sum of positive squares in only one way, i.e., 10648643927076 + 1582579096036 = 3263226^2 + 1258006^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×12231223023112² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 764451438937 + ... + 764451438952.

Almost surely, 2^{12231223023112} is an apocalyptic number.

It is an amenable number.

12231223023112 is a deficient number, since it is larger than the sum of its proper divisors (10702320145238).

12231223023112 is a wasteful number, since it uses less digits than its factorization.

12231223023112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528902877895 (or 1528902877891 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12231223023112 its reverse (21132032213221), we get a palindrome (33363255236333).

The spelling of 12231223023112 in words is "twelve trillion, two hundred thirty-one billion, two hundred twenty-three million, twenty-three thousand, one hundred twelve".