123112011412144 has 10 divisors (see below), whose sum is σ = 238529522111060. Its totient is φ = 61556005706064.

The previous prime is 123112011412139. The next prime is 123112011412153. The reversal of 123112011412144 is 441214110211321.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3847250356614 + ... + 3847250356645.

It is an arithmetic number, because the mean of its divisors is an integer number (23852952211106).

Almost surely, 2^{123112011412144} is an apocalyptic number.

It is an amenable number.

123112011412144 is a deficient number, since it is larger than the sum of its proper divisors (115417510698916).

123112011412144 is an equidigital number, since it uses as much as digits as its factorization.

123112011412144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7694500713267 (or 7694500713261 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

Adding to 123112011412144 its reverse (441214110211321), we get a palindrome (564326121623465).

The spelling of 123112011412144 in words is "one hundred twenty-three trillion, one hundred twelve billion, eleven million, four hundred twelve thousand, one hundred forty-four".