123102211300 has 72 divisors (see below), whose sum is σ = 272114833536. Its totient is φ = 48330831360.

The previous prime is 123102211291. The next prime is 123102211301. The reversal of 123102211300 is 3112201321.

It is not an unprimeable number, because it can be changed into a prime (123102211301) 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, 1111017 + ... + 1216783.

It is an arithmetic number, because the mean of its divisors is an integer number (3779372688).

Almost surely, 2^123102211300 is an apocalyptic number.

123102211300 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 123102211300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136057416768).

123102211300 is an abundant number, since it is smaller than the sum of its proper divisors (149012622236).

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

123102211300 is a wasteful number, since it uses less digits than its factorization.

123102211300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105997 (or 105990 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 123102211300 its reverse (3112201321), we get a palindrome (126214412621).

The spelling of 123102211300 in words is "one hundred twenty-three billion, one hundred two million, two hundred eleven thousand, three hundred".