123120113132 has 24 divisors (see below), whose sum is σ = 228400636464. Its totient is φ = 57871242752.

The previous prime is 123120113113. The next prime is 123120113153. The reversal of 123120113132 is 231311021321.

It is a happy 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, 998078 + ... + 1114629.

It is an arithmetic number, because the mean of its divisors is an integer number (9516693186).

Almost surely, 2^123120113132 is an apocalyptic number.

It is an amenable number.

123120113132 is a deficient number, since it is larger than the sum of its proper divisors (105280523332).

123120113132 is a wasteful number, since it uses less digits than its factorization.

123120113132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113585 (or 2113583 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 123120113132 its reverse (231311021321), we get a palindrome (354431134453).

The spelling of 123120113132 in words is "one hundred twenty-three billion, one hundred twenty million, one hundred thirteen thousand, one hundred thirty-two".