1312120542232 has 8 divisors (see below), whose sum is σ = 2460226016700. Its totient is φ = 656060271112.

The previous prime is 1312120542191. The next prime is 1312120542281. The reversal of 1312120542232 is 2322450212131.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1312120542232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82007533882 + ... + 82007533897.

Almost surely, 2^{1312120542232} is an apocalyptic number.

It is an amenable number.

1312120542232 is a deficient number, since it is larger than the sum of its proper divisors (1148105474468).

1312120542232 is a wasteful number, since it uses less digits than its factorization.

1312120542232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164015067785 (or 164015067781 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 1312120542232 its reverse (2322450212131), we get a palindrome (3634570754363).

The spelling of 1312120542232 in words is "one trillion, three hundred twelve billion, one hundred twenty million, five hundred forty-two thousand, two hundred thirty-two".