1222320100123 has 8 divisors (see below), whose sum is σ = 1233305073792. Its totient is φ = 1211383412736.

The previous prime is 1222320100087. The next prime is 1222320100151. The reversal of 1222320100123 is 3210010232221.

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 1222320100123 - 2²⁵ = 1222286545691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222320100123.

It is not an unprimeable number, because it can be changed into a prime (1222320100223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12020715 + ... + 12121972.

It is an arithmetic number, because the mean of its divisors is an integer number (154163134224).

Almost surely, 2^{1222320100123} is an apocalyptic number.

1222320100123 is a deficient number, since it is larger than the sum of its proper divisors (10984973669).

1222320100123 is a wasteful number, since it uses less digits than its factorization.

1222320100123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24143141.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1222320100123 its reverse (3210010232221), we get a palindrome (4432330332344).

The spelling of 1222320100123 in words is "one trillion, two hundred twenty-two billion, three hundred twenty million, one hundred thousand, one hundred twenty-three".