1012660611001 has 4 divisors (see below), whose sum is σ = 1090557581092. Its totient is φ = 934763640912.

The previous prime is 1012660610963. The next prime is 1012660611007. The reversal of 1012660611001 is 1001160662101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 363952791225 + 648707819776 = 603285^2 + 805424^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012660611001 - 2²⁷ = 1012526393273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012660611007) 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, 38948485026 + ... + 38948485051.

It is an arithmetic number, because the mean of its divisors is an integer number (272639395273).

Almost surely, 2^{1012660611001} is an apocalyptic number.

It is an amenable number.

1012660611001 is a deficient number, since it is larger than the sum of its proper divisors (77896970091).

1012660611001 is an equidigital number, since it uses as much as digits as its factorization.

1012660611001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77896970090.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 1012660611001 in words is "one trillion, twelve billion, six hundred sixty million, six hundred eleven thousand, one".