123112032000 has 144 divisors (see below), whose sum is σ = 408916933152. Its totient is φ = 32829849600.

The previous prime is 123112031981. The next prime is 123112032067. The reversal of 123112032000 is 230211321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545209 + ... + 737208.

Almost surely, 2^123112032000 is an apocalyptic number.

123112032000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123112032000 is an abundant number, since it is smaller than the sum of its proper divisors (285804901152).

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

123112032000 is an equidigital number, since it uses as much as digits as its factorization.

123112032000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282451 (or 1282427 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 123112032000 its reverse (230211321), we get a palindrome (123342243321).

It can be divided in two parts, 12311203 and 2000, that added together give a triangular number (12313203 = T₄₉₆₂).

The spelling of 123112032000 in words is "one hundred twenty-three billion, one hundred twelve million, thirty-two thousand".