123013301112 has 192 divisors, whose sum is σ = 382098487680. Its totient is φ = 35417051136.

The previous prime is 123013301107. The next prime is 123013301161. The reversal of 123013301112 is 211103310321.

123013301112 is a `hidden beast` number, since 12 + 301 + 330 + 11 + 12 = 666.

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

It is a congruent 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, 2730433 + ... + 2775119.

It is an arithmetic number, because the mean of its divisors is an integer number (1990096290).

Almost surely, 2^123013301112 is an apocalyptic number.

123013301112 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 123013301112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191049243840).

123013301112 is an abundant number, since it is smaller than the sum of its proper divisors (259085186568).

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

123013301112 is a wasteful number, since it uses less digits than its factorization.

123013301112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44902 (or 44895 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 123013301112 its reverse (211103310321), we get a palindrome (334116611433).

The spelling of 123013301112 in words is "one hundred twenty-three billion, thirteen million, three hundred one thousand, one hundred twelve".