123120302200 has 96 divisors (see below), whose sum is σ = 335127612960. Its totient is φ = 41183078400.

The previous prime is 123120302171. The next prime is 123120302203. The reversal of 123120302200 is 2203021321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123120302203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1015077 + ... + 1129876.

It is an arithmetic number, because the mean of its divisors is an integer number (3490912635).

Almost surely, 2^123120302200 is an apocalyptic number.

123120302200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123120302200 is an abundant number, since it is smaller than the sum of its proper divisors (212007310760).

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

123120302200 is a wasteful number, since it uses less digits than its factorization.

123120302200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145017 (or 2145008 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 123120302200 its reverse (2203021321), we get a palindrome (125323323521).

The spelling of 123120302200 in words is "one hundred twenty-three billion, one hundred twenty million, three hundred two thousand, two hundred".