123210220100000 has 288 divisors, whose sum is σ = 332214017067072. Its totient is φ = 44606252800000.

The previous prime is 123210220099997. The next prime is 123210220100083. The reversal of 123210220100000 is 1022012321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 249453284 + ... + 249946716.

It is an arithmetic number, because the mean of its divisors is an integer number (1153520892594).

Almost surely, 2^{123210220100000} is an apocalyptic number.

123210220100000 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 123210220100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166107008533536).

123210220100000 is an abundant number, since it is smaller than the sum of its proper divisors (209003796967072).

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

123210220100000 is an equidigital number, since it uses as much as digits as its factorization.

123210220100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493706 (or 493678 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 123210220100000 its reverse (1022012321), we get a palindrome (123211242112321).

The spelling of 123210220100000 in words is "one hundred twenty-three trillion, two hundred ten billion, two hundred twenty million, one hundred thousand".