1220322120219 has 24 divisors (see below), whose sum is σ = 1823526737760. Its totient is φ = 785470186368.

The previous prime is 1220322120211. The next prime is 1220322120223. The reversal of 1220322120219 is 9120212230221.

1220322120219 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 322 + 120 + 219 = 666.

It is not a de Polignac number, because 1220322120219 - 2³ = 1220322120211 is a prime.

It is a super-2 number, since 2×1220322120219² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220322120192 and 1220322120201.

It is not an unprimeable number, because it can be changed into a prime (1220322120211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12355359 + ... + 12453735.

It is an arithmetic number, because the mean of its divisors is an integer number (75980280740).

Almost surely, 2^{1220322120219} is an apocalyptic number.

1220322120219 is a deficient number, since it is larger than the sum of its proper divisors (603204617541).

1220322120219 is a wasteful number, since it uses less digits than its factorization.

1220322120219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145939 (or 145936 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 1220322120219 in words is "one trillion, two hundred twenty billion, three hundred twenty-two million, one hundred twenty thousand, two hundred nineteen".