1331230012232 has 8 divisors (see below), whose sum is σ = 2496056272950. Its totient is φ = 665615006112.

The previous prime is 1331230012213. The next prime is 1331230012241. The reversal of 1331230012232 is 2322100321331.

It can be written as a sum of positive squares in only one way, i.e., 1293619615876 + 37610396356 = 1137374^2 + 193934^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1331230012198 and 1331230012207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83201875757 + ... + 83201875772.

Almost surely, 2^{1331230012232} is an apocalyptic number.

It is an amenable number.

1331230012232 is a deficient number, since it is larger than the sum of its proper divisors (1164826260718).

1331230012232 is a wasteful number, since it uses less digits than its factorization.

1331230012232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166403751535 (or 166403751531 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1331230012232 its reverse (2322100321331), we get a palindrome (3653330333563).

The spelling of 1331230012232 in words is "one trillion, three hundred thirty-one billion, two hundred thirty million, twelve thousand, two hundred thirty-two".