123222120120 has 384 divisors, whose sum is σ = 442426795200. Its totient is φ = 29494886400.

The previous prime is 123222120037. The next prime is 123222120137. The reversal of 123222120120 is 21021222321.

123222120120 is a `hidden beast` number, since 12 + 322 + 212 + 0 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 123222120093 and 123222120102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 227767050 + ... + 227767590.

Almost surely, 2^123222120120 is an apocalyptic number.

123222120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123222120120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221213397600).

123222120120 is an abundant number, since it is smaller than the sum of its proper divisors (319204675080).

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

123222120120 is a wasteful number, since it uses less digits than its factorization.

123222120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191 (or 1184 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 123222120120 its reverse (21021222321), we get a palindrome (144243342441).

It can be divided in two parts, 123222 and 120120, that added together give a palindrome (243342).

The spelling of 123222120120 in words is "one hundred twenty-three billion, two hundred twenty-two million, one hundred twenty thousand, one hundred twenty".