312043012234120 has 128 divisors (see below), whose sum is σ = 737927468006400. Its totient is φ = 118525972587264.

The previous prime is 312043012234103. The next prime is 312043012234127. The reversal of 312043012234120 is 21432210340213.

It is not an unprimeable number, because it can be changed into a prime (312043012234127) 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, 3739553119 + ... + 3739636561.

It is an arithmetic number, because the mean of its divisors is an integer number (5765058343800).

Almost surely, 2^{312043012234120} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312043012234120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368963734003200).

312043012234120 is an abundant number, since it is smaller than the sum of its proper divisors (425884455772280).

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

312043012234120 is a wasteful number, since it uses less digits than its factorization.

312043012234120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112859 (or 112855 counting only the distinct ones).

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

Adding to 312043012234120 its reverse (21432210340213), we get a palindrome (333475222574333).

The spelling of 312043012234120 in words is "three hundred twelve trillion, forty-three billion, twelve million, two hundred thirty-four thousand, one hundred twenty".