1200246420019 has 2 divisors, whose sum is σ = 1200246420020. Its totient is φ = 1200246420018.

The previous prime is 1200246419989. The next prime is 1200246420083. The reversal of 1200246420019 is 9100246420021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200246420019 - 2¹³ = 1200246411827 is a prime.

It is a super-2 number, since 2×1200246420019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1200246424019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600123210009 + 600123210010.

It is an arithmetic number, because the mean of its divisors is an integer number (600123210010).

Almost surely, 2^{1200246420019} is an apocalyptic number.

1200246420019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200246420019 is an equidigital number, since it uses as much as digits as its factorization.

1200246420019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 1200246420019 in words is "one trillion, two hundred billion, two hundred forty-six million, four hundred twenty thousand, nineteen".