1012550520101 has 8 divisors (see below), whose sum is σ = 1054563467904. Its totient is φ = 971308452240.

The previous prime is 1012550520071. The next prime is 1012550520127. The reversal of 1012550520101 is 1010250552101.

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 1012550520101 - 2³⁴ = 995370650917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012550522101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192717305 + ... + 192722558.

It is an arithmetic number, because the mean of its divisors is an integer number (131820433488).

Almost surely, 2^{1012550520101} is an apocalyptic number.

It is an amenable number.

1012550520101 is a deficient number, since it is larger than the sum of its proper divisors (42012947803).

1012550520101 is an equidigital number, since it uses as much as digits as its factorization.

1012550520101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385439971.

The product of its (nonzero) digits is 500, while the sum is 23.

Subtracting from 1012550520101 its reverse (1010250552101), we obtain a cube (2299968000 = 1320³).

The spelling of 1012550520101 in words is "one trillion, twelve billion, five hundred fifty million, five hundred twenty thousand, one hundred one".