312124022540 has 96 divisors (see below), whose sum is σ = 757391342400. Its totient is φ = 106783416320.

The previous prime is 312124022537. The next prime is 312124022549. The reversal of 312124022540 is 45220421213.

It is not an unprimeable number, because it can be changed into a prime (312124022549) 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, 11090006 + ... + 11118114.

It is an arithmetic number, because the mean of its divisors is an integer number (7889493150).

Almost surely, 2^312124022540 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 312124022540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378695671200).

312124022540 is an abundant number, since it is smaller than the sum of its proper divisors (445267319860).

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

312124022540 is a wasteful number, since it uses less digits than its factorization.

312124022540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31115 (or 31113 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 312124022540 its reverse (45220421213), we get a palindrome (357344443753).

The spelling of 312124022540 in words is "three hundred twelve billion, one hundred twenty-four million, twenty-two thousand, five hundred forty".