1201112122219 has 4 divisors (see below), whose sum is σ = 1208304410544. Its totient is φ = 1193919833896.

The previous prime is 1201112122213. The next prime is 1201112122241. The reversal of 1201112122219 is 9122212111021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1201112122219 - 2³ = 1201112122211 is a prime.

It is a super-2 number, since 2×1201112122219² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201112122193 and 1201112122202.

It is not an unprimeable number, because it can be changed into a prime (1201112122211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3596143912 + ... + 3596144245.

It is an arithmetic number, because the mean of its divisors is an integer number (302076102636).

Almost surely, 2^{1201112122219} is an apocalyptic number.

1201112122219 is a deficient number, since it is larger than the sum of its proper divisors (7192288325).

1201112122219 is an equidigital number, since it uses as much as digits as its factorization.

1201112122219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7192288324.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 1201112122219 in words is "one trillion, two hundred one billion, one hundred twelve million, one hundred twenty-two thousand, two hundred nineteen".