1012719447851 has 8 divisors (see below), whose sum is σ = 1024800691824. Its totient is φ = 1000709480160.

The previous prime is 1012719447827. The next prime is 1012719447911. The reversal of 1012719447851 is 1587449172101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012719447851 - 2⁶ = 1012719447787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012719447851.

It is not an unprimeable number, because it can be changed into a prime (1012719449851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17790485 + ... + 17847318.

It is an arithmetic number, because the mean of its divisors is an integer number (128100086478).

Almost surely, 2^{1012719447851} is an apocalyptic number.

1012719447851 is a deficient number, since it is larger than the sum of its proper divisors (12081243973).

1012719447851 is a wasteful number, since it uses less digits than its factorization.

1012719447851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35638141.

The product of its (nonzero) digits is 564480, while the sum is 50.

The spelling of 1012719447851 in words is "one trillion, twelve billion, seven hundred nineteen million, four hundred forty-seven thousand, eight hundred fifty-one".