1012001131223 has 2 divisors, whose sum is σ = 1012001131224. Its totient is φ = 1012001131222.

The previous prime is 1012001131213. The next prime is 1012001131237. The reversal of 1012001131223 is 3221311002101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012001131223 - 2¹² = 1012001127127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012001131213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506000565611 + 506000565612.

It is an arithmetic number, because the mean of its divisors is an integer number (506000565612).

Almost surely, 2^{1012001131223} is an apocalyptic number.

1012001131223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012001131223 is an equidigital number, since it uses as much as digits as its factorization.

1012001131223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1012001131223 its reverse (3221311002101), we get a palindrome (4233312133324).

The spelling of 1012001131223 in words is "one trillion, twelve billion, one million, one hundred thirty-one thousand, two hundred twenty-three".