312125134544 has 40 divisors (see below), whose sum is σ = 642678473088. Its totient is φ = 146340380160.

The previous prime is 312125134543. The next prime is 312125134549. The reversal of 312125134544 is 445431521213.

It is a super-2 number, since 2×312125134544² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312125134543) 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, 2043482 + ... + 2190905.

Almost surely, 2^312125134544 is an apocalyptic number.

312125134544 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

312125134544 is an abundant number, since it is smaller than the sum of its proper divisors (330553338544).

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

312125134544 is a wasteful number, since it uses less digits than its factorization.

312125134544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4234683 (or 4234677 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

Adding to 312125134544 its reverse (445431521213), we get a palindrome (757556655757).

The spelling of 312125134544 in words is "three hundred twelve billion, one hundred twenty-five million, one hundred thirty-four thousand, five hundred forty-four".