1222200311123 has 8 divisors (see below), whose sum is σ = 1335034290096. Its totient is φ = 1109653808800.

The previous prime is 1222200311113. The next prime is 1222200311131. The reversal of 1222200311123 is 3211130022221.

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 1222200311123 - 2²⁰ = 1222199262547 is a prime.

It is a super-2 number, since 2×1222200311123² (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 = 1222200311095 and 1222200311104.

It is not an unprimeable number, because it can be changed into a prime (1222200311113) 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, 71860268 + ... + 71877273.

It is an arithmetic number, because the mean of its divisors is an integer number (166879286262).

Almost surely, 2^{1222200311123} is an apocalyptic number.

1222200311123 is a deficient number, since it is larger than the sum of its proper divisors (112833978973).

1222200311123 is a wasteful number, since it uses less digits than its factorization.

1222200311123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143738325.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1222200311123 its reverse (3211130022221), we get a palindrome (4433330333344).

The spelling of 1222200311123 in words is "one trillion, two hundred twenty-two billion, two hundred million, three hundred eleven thousand, one hundred twenty-three".