1224201807419 has 2 divisors, whose sum is σ = 1224201807420. Its totient is φ = 1224201807418.

The previous prime is 1224201807401. The next prime is 1224201807431. The reversal of 1224201807419 is 9147081024221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1224201807419 - 2⁸ = 1224201807163 is a prime.

It is a super-2 number, since 2×1224201807419² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1224201801419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612100903709 + 612100903710.

It is an arithmetic number, because the mean of its divisors is an integer number (612100903710).

Almost surely, 2^{1224201807419} is an apocalyptic number.

1224201807419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224201807419 is an equidigital number, since it uses as much as digits as its factorization.

1224201807419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 1224201807419 in words is "one trillion, two hundred twenty-four billion, two hundred one million, eight hundred seven thousand, four hundred nineteen".