1200020023219 has 2 divisors, whose sum is σ = 1200020023220. Its totient is φ = 1200020023218.

The previous prime is 1200020023141. The next prime is 1200020023253. The reversal of 1200020023219 is 9123200200021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200020023219 - 2¹³ = 1200020015027 is a prime.

It is a super-2 number, since 2×1200020023219² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1200020023219.

It is not a weakly prime, because it can be changed into another prime (1200020023259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600010011609 + 600010011610.

It is an arithmetic number, because the mean of its divisors is an integer number (600010011610).

Almost surely, 2^{1200020023219} is an apocalyptic number.

1200020023219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200020023219 is an equidigital number, since it uses as much as digits as its factorization.

1200020023219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 1200020023219 in words is "one trillion, two hundred billion, twenty million, twenty-three thousand, two hundred nineteen".