1123212042224 has 40 divisors (see below), whose sum is σ = 2229454024560. Its totient is φ = 547870937600.

The previous prime is 1123212042223. The next prime is 1123212042241. The reversal of 1123212042224 is 4222402123211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1123212042193 and 1123212042202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123212042221) 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, 11226179 + ... + 11325789.

It is an arithmetic number, because the mean of its divisors is an integer number (55736350614).

Almost surely, 2^{1123212042224} is an apocalyptic number.

It is an amenable number.

1123212042224 is a deficient number, since it is larger than the sum of its proper divisors (1106241982336).

1123212042224 is a wasteful number, since it uses less digits than its factorization.

1123212042224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116849 (or 116843 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1123212042224 its reverse (4222402123211), we get a palindrome (5345614165435).

The spelling of 1123212042224 in words is "one trillion, one hundred twenty-three billion, two hundred twelve million, forty-two thousand, two hundred twenty-four".