1321331132124 has 36 divisors (see below), whose sum is σ = 3515822604840. Its totient is φ = 417262462560.

The previous prime is 1321331132119. The next prime is 1321331132129. The reversal of 1321331132124 is 4212311331231.

1321331132124 is a `hidden beast` number, since 1 + 3 + 2 + 1 + 3 + 311 + 321 + 24 = 666.

It is an interprime number because it is at equal distance from previous prime (1321331132119) and next prime (1321331132129).

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321331132129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 965884647 + ... + 965886014.

Almost surely, 2^{1321331132124} is an apocalyptic number.

It is an amenable number.

1321331132124 is an abundant number, since it is smaller than the sum of its proper divisors (2194491472716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321331132124 is a wasteful number, since it uses less digits than its factorization.

1321331132124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931770690 (or 1931770685 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 1321331132124 its reverse (4212311331231), we get a palindrome (5533642463355).

The spelling of 1321331132124 in words is "one trillion, three hundred twenty-one billion, three hundred thirty-one million, one hundred thirty-two thousand, one hundred twenty-four".