123102001011222 has 128 divisors (see below), whose sum is σ = 284385646742400. Its totient is φ = 39935266652160.

The previous prime is 123102001011211. The next prime is 123102001011277. The reversal of 123102001011222 is 222110100201321.

123102001011222 is a `hidden beast` number, since 1 + 231 + 0 + 200 + 1 + 0 + 11 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 123102001011195 and 123102001011204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72508438 + ... + 74186774.

It is an arithmetic number, because the mean of its divisors is an integer number (2221762865175).

Almost surely, 2^{123102001011222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123102001011222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142192823371200).

123102001011222 is an abundant number, since it is smaller than the sum of its proper divisors (161283645731178).

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

123102001011222 is an equidigital number, since it uses as much as digits as its factorization.

123102001011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678810 (or 1678792 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 123102001011222 its reverse (222110100201321), we get a palindrome (345212101212543).

The spelling of 123102001011222 in words is "one hundred twenty-three trillion, one hundred two billion, one million, eleven thousand, two hundred twenty-two".