1242004223071 has 2 divisors, whose sum is σ = 1242004223072. Its totient is φ = 1242004223070.

The previous prime is 1242004223029. The next prime is 1242004223093. The reversal of 1242004223071 is 1703224002421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1242004223071 - 2¹³ = 1242004214879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1242004227071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621002111535 + 621002111536.

It is an arithmetic number, because the mean of its divisors is an integer number (621002111536).

Almost surely, 2^{1242004223071} is an apocalyptic number.

1242004223071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242004223071 is an equidigital number, since it uses as much as digits as its factorization.

1242004223071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

Adding to 1242004223071 its reverse (1703224002421), we get a palindrome (2945228225492).

The spelling of 1242004223071 in words is "one trillion, two hundred forty-two billion, four million, two hundred twenty-three thousand, seventy-one".