1312124040504 has 96 divisors (see below), whose sum is σ = 3621771176400. Its totient is φ = 428997703680.

The previous prime is 1312124040499. The next prime is 1312124040509. The reversal of 1312124040504 is 4050404212131.

1312124040504 is a `hidden beast` number, since 1 + 3 + 1 + 212 + 40 + 405 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1312124040499) and next prime (1312124040509).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312124040509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13578792 + ... + 13675080.

Almost surely, 2^{1312124040504} 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 1312124040504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1810885588200).

1312124040504 is an abundant number, since it is smaller than the sum of its proper divisors (2309647135896).

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

1312124040504 is a wasteful number, since it uses less digits than its factorization.

1312124040504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99925 (or 99918 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 1312124040504 its reverse (4050404212131), we get a palindrome (5362528252635).

It can be divided in two parts, 131212 and 4040504, that added together give a triangular number (4171716 = T₂₈₈₈).

The spelling of 1312124040504 in words is "one trillion, three hundred twelve billion, one hundred twenty-four million, forty thousand, five hundred four".