123203033121222 has 112 divisors (see below), whose sum is σ = 280196440133280. Its totient is φ = 40607330282496.

The previous prime is 123203033121209. The next prime is 123203033121247. The reversal of 123203033121222 is 222121330302321.

123203033121222 is a `hidden beast` number, since 1 + 2 + 3 + 20 + 303 + 312 + 1 + 2 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 76599078 + ... + 78190950.

Almost surely, 2^{123203033121222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123203033121222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140098220066640).

123203033121222 is an abundant number, since it is smaller than the sum of its proper divisors (156993407012058).

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

123203033121222 is a wasteful number, since it uses less digits than its factorization.

123203033121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592489 (or 1592474 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 123203033121222 its reverse (222121330302321), we get a palindrome (345324363423543).

The spelling of 123203033121222 in words is "one hundred twenty-three trillion, two hundred three billion, thirty-three million, one hundred twenty-one thousand, two hundred twenty-two".