1231200230224 has 20 divisors (see below), whose sum is σ = 2393120714400. Its totient is φ = 613620691040.

The previous prime is 1231200230203. The next prime is 1231200230233. The reversal of 1231200230224 is 4220320021321.

It is a junction number, because it is equal to n+sod(n) for n = 1231200230195 and 1231200230204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123708874 + ... + 123718825.

It is an arithmetic number, because the mean of its divisors is an integer number (119656035720).

Almost surely, 2^{1231200230224} is an apocalyptic number.

It is an amenable number.

1231200230224 is a deficient number, since it is larger than the sum of its proper divisors (1161920484176).

1231200230224 is a wasteful number, since it uses less digits than its factorization.

1231200230224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247428018 (or 247428012 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1231200230224 its reverse (4220320021321), we get a palindrome (5451520251545).

The spelling of 1231200230224 in words is "one trillion, two hundred thirty-one billion, two hundred million, two hundred thirty thousand, two hundred twenty-four".