1231202233124 has 12 divisors (see below), whose sum is σ = 2281345314444. Its totient is φ = 579389286144.

The previous prime is 1231202233103. The next prime is 1231202233229. The reversal of 1231202233124 is 4213322021321.

It can be written as a sum of positive squares in 2 ways, for example, as 1043323330624 + 187878902500 = 1021432^2 + 433450^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1231202233093 and 1231202233102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9052957529 + ... + 9052957664.

It is an arithmetic number, because the mean of its divisors is an integer number (190112109537).

Almost surely, 2^{1231202233124} is an apocalyptic number.

It is an amenable number.

1231202233124 is a deficient number, since it is larger than the sum of its proper divisors (1050143081320).

1231202233124 is a wasteful number, since it uses less digits than its factorization.

1231202233124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18105915214 (or 18105915212 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1231202233124 its reverse (4213322021321), we get a palindrome (5444524254445).

The spelling of 1231202233124 in words is "one trillion, two hundred thirty-one billion, two hundred two million, two hundred thirty-three thousand, one hundred twenty-four".