123112330132 has 24 divisors (see below), whose sum is σ = 235343172960. Its totient is φ = 55886211360.

The previous prime is 123112330079. The next prime is 123112330169. The reversal of 123112330132 is 231033211321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1814782 + ... + 1881397.

It is an arithmetic number, because the mean of its divisors is an integer number (9805965540).

Almost surely, 2^123112330132 is an apocalyptic number.

It is an amenable number.

123112330132 is a deficient number, since it is larger than the sum of its proper divisors (112230842828).

123112330132 is a wasteful number, since it uses less digits than its factorization.

123112330132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696951 (or 3696949 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123112330132 its reverse (231033211321), we get a palindrome (354145541453).

The spelling of 123112330132 in words is "one hundred twenty-three billion, one hundred twelve million, three hundred thirty thousand, one hundred thirty-two".