123342200120 has 32 divisors (see below), whose sum is σ = 281662045200. Its totient is φ = 48600507648.

The previous prime is 123342200099. The next prime is 123342200131. The reversal of 123342200120 is 21002243321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 123342200092 and 123342200101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23008925 + ... + 23014284.

Almost surely, 2^123342200120 is an apocalyptic number.

123342200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123342200120 is an abundant number, since it is smaller than the sum of its proper divisors (158319845080).

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

123342200120 is a wasteful number, since it uses less digits than its factorization.

123342200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46023287 (or 46023283 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 123342200120 its reverse (21002243321), we get a palindrome (144344443441).

The spelling of 123342200120 in words is "one hundred twenty-three billion, three hundred forty-two million, two hundred thousand, one hundred twenty".