123151005232112 has 320 divisors, whose sum is σ = 286735046532480. Its totient is φ = 50497202995200.

The previous prime is 123151005232037. The next prime is 123151005232133. The reversal of 123151005232112 is 211232500151321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48162300338 + ... + 48162302894.

It is an arithmetic number, because the mean of its divisors is an integer number (896047020414).

Almost surely, 2^{123151005232112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123151005232112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143367523266240).

123151005232112 is an abundant number, since it is smaller than the sum of its proper divisors (163584041300368).

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

123151005232112 is a wasteful number, since it uses less digits than its factorization.

123151005232112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4052 (or 4046 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 123151005232112 its reverse (211232500151321), we get a palindrome (334383505383433).

The spelling of 123151005232112 in words is "one hundred twenty-three trillion, one hundred fifty-one billion, five million, two hundred thirty-two thousand, one hundred twelve".