1512310431112 has 128 divisors (see below), whose sum is σ = 3234877430400. Its totient is φ = 657054720000.

The previous prime is 1512310431109. The next prime is 1512310431157. The reversal of 1512310431112 is 2111340132151.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 377981112 + ... + 377985112.

It is an arithmetic number, because the mean of its divisors is an integer number (25272479925).

Almost surely, 2^{1512310431112} 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 1512310431112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1617438715200).

1512310431112 is an abundant number, since it is smaller than the sum of its proper divisors (1722566999288).

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

1512310431112 is a wasteful number, since it uses less digits than its factorization.

1512310431112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5207 (or 5203 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 1512310431112 its reverse (2111340132151), we get a palindrome (3623650563263).

The spelling of 1512310431112 in words is "one trillion, five hundred twelve billion, three hundred ten million, four hundred thirty-one thousand, one hundred twelve".