312343124220 has 192 divisors, whose sum is σ = 1003522665600. Its totient is φ = 80591708160.

The previous prime is 312343124213. The next prime is 312343124231. The reversal of 312343124220 is 22421343213.

312343124220 is a `hidden beast` number, since 3 + 1 + 2 + 3 + 431 + 2 + 4 + 220 = 666.

312343124220 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3573196 + ... + 3659564.

It is an arithmetic number, because the mean of its divisors is an integer number (5226680550).

Almost surely, 2^312343124220 is an apocalyptic number.

312343124220 is a gapful number since it is divisible by the number (30) 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 312343124220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501761332800).

312343124220 is an abundant number, since it is smaller than the sum of its proper divisors (691179541380).

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

312343124220 is a wasteful number, since it uses less digits than its factorization.

312343124220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86605 (or 86597 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 312343124220 its reverse (22421343213), we get a palindrome (334764467433).

The spelling of 312343124220 in words is "three hundred twelve billion, three hundred forty-three million, one hundred twenty-four thousand, two hundred twenty".