1012201019993 has 2 divisors, whose sum is σ = 1012201019994. Its totient is φ = 1012201019992.

The previous prime is 1012201019927. The next prime is 1012201020059. The reversal of 1012201019993 is 3999101022101.

It is a balanced prime because it is at equal distance from previous prime (1012201019927) and next prime (1012201020059).

It can be written as a sum of positive squares in only one way, i.e., 661533342409 + 350667677584 = 813347^2 + 592172^2 .

It is an emirp because it is prime and its reverse (3999101022101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012201019993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012201019693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506100509996 + 506100509997.

It is an arithmetic number, because the mean of its divisors is an integer number (506100509997).

Almost surely, 2^{1012201019993} is an apocalyptic number.

It is an amenable number.

1012201019993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012201019993 is an equidigital number, since it uses as much as digits as its factorization.

1012201019993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 38.

The spelling of 1012201019993 in words is "one trillion, twelve billion, two hundred one million, nineteen thousand, nine hundred ninety-three".