1312124554511 has 32 divisors (see below), whose sum is σ = 1384461711360. Its totient is φ = 1242476928000.

The previous prime is 1312124554471. The next prime is 1312124554513. The reversal of 1312124554511 is 1154554212131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1312124554511 - 2³⁴ = 1294944685327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312124554513) 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, 48672086 + ... + 48699036.

It is an arithmetic number, because the mean of its divisors is an integer number (43264428480).

Almost surely, 2^{1312124554511} is an apocalyptic number.

1312124554511 is a deficient number, since it is larger than the sum of its proper divisors (72337156849).

1312124554511 is a wasteful number, since it uses less digits than its factorization.

1312124554511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27335.

The product of its digits is 24000, while the sum is 35.

Adding to 1312124554511 its reverse (1154554212131), we get a palindrome (2466678766642).

The spelling of 1312124554511 in words is "one trillion, three hundred twelve billion, one hundred twenty-four million, five hundred fifty-four thousand, five hundred eleven".