123422103021312 has 432 divisors, whose sum is σ = 379576518703200. Its totient is φ = 38434566832128.

The previous prime is 123422103021311. The next prime is 123422103021319. The reversal of 123422103021312 is 213120301224321.

123422103021312 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 221 + 0 + 302 + 131 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123422103021311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9670298643 + ... + 9670311405.

It is an arithmetic number, because the mean of its divisors is an integer number (878649348850).

Almost surely, 2^{123422103021312} is an apocalyptic number.

123422103021312 is a gapful number since it is divisible by the number (12) 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 123422103021312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189788259351600).

123422103021312 is an abundant number, since it is smaller than the sum of its proper divisors (256154415681888).

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

123422103021312 is a wasteful number, since it uses less digits than its factorization.

123422103021312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14608 (or 14591 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 123422103021312 its reverse (213120301224321), we get a palindrome (336542404245633).

The spelling of 123422103021312 in words is "one hundred twenty-three trillion, four hundred twenty-two billion, one hundred three million, twenty-one thousand, three hundred twelve".