1012020300001 has 2 divisors, whose sum is σ = 1012020300002. Its totient is φ = 1012020300000.

The previous prime is 1012020299923. The next prime is 1012020300041. The reversal of 1012020300001 is 1000030202101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 753509066401 + 258511233600 = 868049^2 + 508440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012020300001 is a prime.

It is a super-2 number, since 2×1012020300001² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1012020300041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506010150000 + 506010150001.

It is an arithmetic number, because the mean of its divisors is an integer number (506010150001).

Almost surely, 2^{1012020300001} is an apocalyptic number.

It is an amenable number.

1012020300001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012020300001 is an equidigital number, since it uses as much as digits as its factorization.

1012020300001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1012020300001 its reverse (1000030202101), we get a palindrome (2012050502102).

The spelling of 1012020300001 in words is "one trillion, twelve billion, twenty million, three hundred thousand, one".