1220002201123 has 8 divisors (see below), whose sum is σ = 1236601054400. Its totient is φ = 1203432242688.

The previous prime is 1220002201109. The next prime is 1220002201129. The reversal of 1220002201123 is 3211022000221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220002201123 - 2⁵ = 1220002201091 is a prime.

It is a super-2 number, since 2×1220002201123² (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 = 1220002201097 and 1220002201106.

It is not an unprimeable number, because it can be changed into a prime (1220002201129) 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 7 ways as a sum of consecutive naturals, for example, 7138686 + ... + 7307587.

It is an arithmetic number, because the mean of its divisors is an integer number (154575131800).

Almost surely, 2^{1220002201123} is an apocalyptic number.

1220002201123 is a deficient number, since it is larger than the sum of its proper divisors (16598853277).

1220002201123 is a wasteful number, since it uses less digits than its factorization.

1220002201123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14447421.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1220002201123 its reverse (3211022000221), we get a palindrome (4431024201344).

The spelling of 1220002201123 in words is "one trillion, two hundred twenty billion, two million, two hundred one thousand, one hundred twenty-three".