12312020120 has 64 divisors (see below), whose sum is σ = 28028959200. Its totient is φ = 4867015680.

The previous prime is 12312020099. The next prime is 12312020131. The reversal of 12312020120 is 2102021321.

It is a happy number.

12312020120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12312020095 and 12312020104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1250015 + ... + 1259825.

Almost surely, 2^12312020120 is an apocalyptic number.

12312020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12312020120 is an abundant number, since it is smaller than the sum of its proper divisors (15716939080).

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

12312020120 is a wasteful number, since it uses less digits than its factorization.

12312020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10188 (or 10184 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12312020120 its reverse (2102021321), we get a palindrome (14414041441).

The spelling of 12312020120 in words is "twelve billion, three hundred twelve million, twenty thousand, one hundred twenty".