1223042211135 has 48 divisors (see below), whose sum is σ = 2181572490240. Its totient is φ = 633537178560.

The previous prime is 1223042211103. The next prime is 1223042211169. The reversal of 1223042211135 is 5311122403221.

It is a happy number.

1223042211135 is a `hidden beast` number, since 1 + 2 + 2 + 304 + 221 + 1 + 135 = 666.

It is not a de Polignac number, because 1223042211135 - 2⁵ = 1223042211103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1223042211099 and 1223042211108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1930075 + ... + 2484204.

It is an arithmetic number, because the mean of its divisors is an integer number (45449426880).

Almost surely, 2^{1223042211135} is an apocalyptic number.

1223042211135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1223042211135 is a deficient number, since it is larger than the sum of its proper divisors (958530279105).

1223042211135 is a wasteful number, since it uses less digits than its factorization.

1223042211135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4414468 (or 4414465 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 1223042211135 its reverse (5311122403221), we get a palindrome (6534164614356).

The spelling of 1223042211135 in words is "one trillion, two hundred twenty-three billion, forty-two million, two hundred eleven thousand, one hundred thirty-five".