12311340143125 has 20 divisors (see below), whose sum is σ = 15384496544604. Its totient is φ = 9848914688000.

The previous prime is 12311340143111. The next prime is 12311340143143. The reversal of 12311340143125 is 52134104311321.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 11761449673009 + 549890470116 = 3429497^2 + 741546^2 .

It is not a de Polignac number, because 12311340143125 - 2³³ = 12302750208533 is a prime.

It is a super-2 number, since 2×12311340143125² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 53708757 + ... + 53937493.

Almost surely, 2^{12311340143125} is an apocalyptic number.

It is an amenable number.

12311340143125 is a deficient number, since it is larger than the sum of its proper divisors (3073156401479).

12311340143125 is an frugal number, since it uses more digits than its factorization.

12311340143125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314874 (or 314859 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 12311340143125 its reverse (52134104311321), we get a palindrome (64445444454446).

The spelling of 12311340143125 in words is "twelve trillion, three hundred eleven billion, three hundred forty million, one hundred forty-three thousand, one hundred twenty-five".