12312140120 has 256 divisors, whose sum is σ = 34132285440. Its totient is φ = 3905814528.

The previous prime is 12312140111. The next prime is 12312140131. The reversal of 12312140120 is 2104121321.

It is a super-2 number, since 2×12312140120² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47907032 + ... + 47907288.

It is an arithmetic number, because the mean of its divisors is an integer number (133329240).

Almost surely, 2^12312140120 is an apocalyptic number.

12312140120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12312140120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17066142720).

12312140120 is an abundant number, since it is smaller than the sum of its proper divisors (21820145320).

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

12312140120 is a wasteful number, since it uses less digits than its factorization.

12312140120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12312140120 its reverse (2104121321), we get a palindrome (14416261441).

The spelling of 12312140120 in words is "twelve billion, three hundred twelve million, one hundred forty thousand, one hundred twenty".