120131100012123 has 32 divisors (see below), whose sum is σ = 179717772249600. Its totient is φ = 79301957313888.

The previous prime is 120131100012107. The next prime is 120131100012139. The reversal of 120131100012123 is 321210001131021.

It is an interprime number because it is at equal distance from previous prime (120131100012107) and next prime (120131100012139).

It is not a de Polignac number, because 120131100012123 - 2⁴ = 120131100012107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120131100012096 and 120131100012105.

It is not an unprimeable number, because it can be changed into a prime (120131100512123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25856836 + ... + 30146942.

It is an arithmetic number, because the mean of its divisors is an integer number (5616180382800).

Almost surely, 2^{120131100012123} is an apocalyptic number.

120131100012123 is a deficient number, since it is larger than the sum of its proper divisors (59586672237477).

120131100012123 is a wasteful number, since it uses less digits than its factorization.

120131100012123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300288 (or 4300282 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 120131100012123 its reverse (321210001131021), we get a palindrome (441341101143144).

The spelling of 120131100012123 in words is "one hundred twenty trillion, one hundred thirty-one billion, one hundred million, twelve thousand, one hundred twenty-three".