131203123000120 has 32 divisors (see below), whose sum is σ = 296690479164000. Its totient is φ = 52217524326528.

The previous prime is 131203123000093. The next prime is 131203123000133. The reversal of 131203123000120 is 21000321302131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8241394239 + ... + 8241410158.

It is an arithmetic number, because the mean of its divisors is an integer number (9271577473875).

Almost surely, 2^{131203123000120} is an apocalyptic number.

131203123000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131203123000120 is an abundant number, since it is smaller than the sum of its proper divisors (165487356163880).

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

131203123000120 is a wasteful number, since it uses less digits than its factorization.

131203123000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16482804607 (or 16482804603 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131203123000120 its reverse (21000321302131), we get a palindrome (152203444302251).

The spelling of 131203123000120 in words is "one hundred thirty-one trillion, two hundred three billion, one hundred twenty-three million, one hundred twenty", and thus it is an aban number.