1240204422019 has 2 divisors, whose sum is σ = 1240204422020. Its totient is φ = 1240204422018.

The previous prime is 1240204421977. The next prime is 1240204422059. The reversal of 1240204422019 is 9102244020421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1240204422019 - 2¹³ = 1240204413827 is a prime.

It is a super-2 number, since 2×1240204422019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1240204422059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620102211009 + 620102211010.

It is an arithmetic number, because the mean of its divisors is an integer number (620102211010).

Almost surely, 2^{1240204422019} is an apocalyptic number.

1240204422019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240204422019 is an equidigital number, since it uses as much as digits as its factorization.

1240204422019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 1240204422019 in words is "one trillion, two hundred forty billion, two hundred four million, four hundred twenty-two thousand, nineteen".