1012669286721 has 4 divisors (see below), whose sum is σ = 1350225715632. Its totient is φ = 675112857812.

The previous prime is 1012669286719. The next prime is 1012669286731. The reversal of 1012669286721 is 1276829662101.

1012669286721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1012669286721 - 2¹ = 1012669286719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012669286711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168778214451 + ... + 168778214456.

It is an arithmetic number, because the mean of its divisors is an integer number (337556428908).

Almost surely, 2^{1012669286721} is an apocalyptic number.

It is an amenable number.

1012669286721 is a deficient number, since it is larger than the sum of its proper divisors (337556428911).

1012669286721 is an equidigital number, since it uses as much as digits as its factorization.

1012669286721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337556428910.

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 1012669286721 in words is "one trillion, twelve billion, six hundred sixty-nine million, two hundred eighty-six thousand, seven hundred twenty-one".