1224200231042 has 16 divisors (see below), whose sum is σ = 1863105717312. Its totient is φ = 603202145040.

The previous prime is 1224200231041. The next prime is 1224200231099. The reversal of 1224200231042 is 2401320024221.

It is a junction number, because it is equal to n+sod(n) for n = 1224200230999 and 1224200231017.

It is not an unprimeable number, because it can be changed into a prime (1224200231041) 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, 9222134 + ... + 9353937.

It is an arithmetic number, because the mean of its divisors is an integer number (116444107332).

Almost surely, 2^{1224200231042} is an apocalyptic number.

1224200231042 is a deficient number, since it is larger than the sum of its proper divisors (638905486270).

1224200231042 is a wasteful number, since it uses less digits than its factorization.

1224200231042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18576553.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1224200231042 its reverse (2401320024221), we get a palindrome (3625520255263).

The spelling of 1224200231042 in words is "one trillion, two hundred twenty-four billion, two hundred million, two hundred thirty-one thousand, forty-two".