1012010081 has 2 divisors, whose sum is σ = 1012010082. Its totient is φ = 1012010080.

The previous prime is 1012010059. The next prime is 1012010089. The reversal of 1012010081 is 1800102101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 694849600 + 317160481 = 26360^2 + 17809^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012010081 - 2¹⁰ = 1012009057 is a prime.

It is a super-2 number, since 2×1012010081² = 2048328808091253122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1012010089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506005040 + 506005041.

It is an arithmetic number, because the mean of its divisors is an integer number (506005041).

Almost surely, 2^1012010081 is an apocalyptic number.

It is an amenable number.

1012010081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012010081 is an equidigital number, since it uses as much as digits as its factorization.

1012010081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 1012010081 is about 31812.1058875391. The cubic root of 1012010081 is about 1003.9874395264.

Adding to 1012010081 its reverse (1800102101), we get a palindrome (2812112182).

The spelling of 1012010081 in words is "one billion, twelve million, ten thousand, eighty-one".