1012811500344 has 256 divisors, whose sum is σ = 3017387520000. Its totient is φ = 283093211520.

The previous prime is 1012811500331. The next prime is 1012811500397. The reversal of 1012811500344 is 4430051182101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 102475227 + ... + 102485109.

It is an arithmetic number, because the mean of its divisors is an integer number (11786670000).

Almost surely, 2^{1012811500344} is an apocalyptic number.

1012811500344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012811500344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1508693760000).

1012811500344 is an abundant number, since it is smaller than the sum of its proper divisors (2004576019656).

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

1012811500344 is a wasteful number, since it uses less digits than its factorization.

1012811500344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10183 (or 10165 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

Adding to 1012811500344 its reverse (4430051182101), we get a palindrome (5442862682445).

The spelling of 1012811500344 in words is "one trillion, twelve billion, eight hundred eleven million, five hundred thousand, three hundred forty-four".