123210102000000 has 448 divisors, whose sum is σ = 413143241386320. Its totient is φ = 32530560000000.

The previous prime is 123210101999989. The next prime is 123210102000031. The reversal of 123210102000000 is 201012321.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 123210102000000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 605898342 + ... + 606101658.

Almost surely, 2^{123210102000000} is an apocalyptic number.

123210102000000 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 123210102000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206571620693160).

123210102000000 is an abundant number, since it is smaller than the sum of its proper divisors (289933139386320).

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

123210102000000 is an frugal number, since it uses more digits than its factorization.

123210102000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203465 (or 203428 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 123210102000000 its reverse (201012321), we get a palindrome (123210303012321).

The spelling of 123210102000000 in words is "one hundred twenty-three trillion, two hundred ten billion, one hundred two million", and thus it is an aban number.