4312123342120 has 128 divisors (see below), whose sum is σ = 10646665920000. Its totient is φ = 1558828257280.

The previous prime is 4312123342103. The next prime is 4312123342139. The reversal of 4312123342120 is 212433212134.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62325306 + ... + 62394454.

It is an arithmetic number, because the mean of its divisors is an integer number (83177077500).

Almost surely, 2^{4312123342120} is an apocalyptic number.

4312123342120 is a gapful number since it is divisible by the number (40) 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 4312123342120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5323332960000).

4312123342120 is an abundant number, since it is smaller than the sum of its proper divisors (6334542577880).

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

4312123342120 is a wasteful number, since it uses less digits than its factorization.

4312123342120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70003 (or 69999 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 4312123342120 its reverse (212433212134), we get a palindrome (4524556554254).

The spelling of 4312123342120 in words is "four trillion, three hundred twelve billion, one hundred twenty-three million, three hundred forty-two thousand, one hundred twenty".