312243101120 has 56 divisors (see below), whose sum is σ = 743589342384. Its totient is φ = 124887085056.

The previous prime is 312243101111. The next prime is 312243101129. The reversal of 312243101120 is 21101342213.

It is an interprime number because it is at equal distance from previous prime (312243101111) and next prime (312243101129).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 312243101092 and 312243101101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312243101129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4837379 + ... + 4901501.

It is an arithmetic number, because the mean of its divisors is an integer number (13278381114).

Almost surely, 2^312243101120 is an apocalyptic number.

It is an amenable number.

312243101120 is an abundant number, since it is smaller than the sum of its proper divisors (431346241264).

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

312243101120 is a wasteful number, since it uses less digits than its factorization.

312243101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79357 (or 79347 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 312243101120 its reverse (21101342213), we get a palindrome (333344443333).

The spelling of 312243101120 in words is "three hundred twelve billion, two hundred forty-three million, one hundred one thousand, one hundred twenty".