1312541105250 has 256 divisors, whose sum is σ = 3429036509184. Its totient is φ = 334125792000.

The previous prime is 1312541105231. The next prime is 1312541105261. The reversal of 1312541105250 is 525011452131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 283055932 + ... + 283060568.

It is an arithmetic number, because the mean of its divisors is an integer number (13394673864).

Almost surely, 2^{1312541105250} is an apocalyptic number.

1312541105250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312541105250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1714518254592).

1312541105250 is an abundant number, since it is smaller than the sum of its proper divisors (2116495403934).

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

1312541105250 is a wasteful number, since it uses less digits than its factorization.

1312541105250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4898 (or 4888 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 1312541105250 its reverse (525011452131), we get a palindrome (1837552557381).

The spelling of 1312541105250 in words is "one trillion, three hundred twelve billion, five hundred forty-one million, one hundred five thousand, two hundred fifty".