123211132022112 has 24 divisors (see below), whose sum is σ = 323429221558296. Its totient is φ = 41070377340672.

The previous prime is 123211132022101. The next prime is 123211132022149. The reversal of 123211132022112 is 211220231112321.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641724645853 + ... + 641724646044.

It is an arithmetic number, because the mean of its divisors is an integer number (13476217564929).

Almost surely, 2^{123211132022112} is an apocalyptic number.

123211132022112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123211132022112 is an abundant number, since it is smaller than the sum of its proper divisors (200218089536184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123211132022112 is a wasteful number, since it uses less digits than its factorization.

123211132022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283449291910 (or 1283449291902 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 123211132022112 its reverse (211220231112321), we get a palindrome (334431363134433).

The spelling of 123211132022112 in words is "one hundred twenty-three trillion, two hundred eleven billion, one hundred thirty-two million, twenty-two thousand, one hundred twelve".