140012024020021 has 2 divisors, whose sum is σ = 140012024020022. Its totient is φ = 140012024020020.

The previous prime is 140012024019943. The next prime is 140012024020069. The reversal of 140012024020021 is 120020420210041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106115524935121 + 33896499084900 = 10301239^2 + 5822070^2 .

It is a cyclic number.

It is not a de Polignac number, because 140012024020021 - 2²⁷ = 140011889802293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140012024060021) 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, 70006012010010 + 70006012010011.

It is an arithmetic number, because the mean of its divisors is an integer number (70006012010011).

Almost surely, 2^{140012024020021} is an apocalyptic number.

It is an amenable number.

140012024020021 is a deficient number, since it is larger than the sum of its proper divisors (1).

140012024020021 is an equidigital number, since it uses as much as digits as its factorization.

140012024020021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 140012024020021 its reverse (120020420210041), we get a palindrome (260032444230062).

The spelling of 140012024020021 in words is "one hundred forty trillion, twelve billion, twenty-four million, twenty thousand, twenty-one".