1320120102231 has 12 divisors (see below), whose sum is σ = 2179245883152. Its totient is φ = 754354344096.

The previous prime is 1320120102179. The next prime is 1320120102251. The reversal of 1320120102231 is 1322010210231.

1320120102231 is a `hidden beast` number, since 1 + 320 + 12 + 0 + 102 + 231 = 666.

It is not a de Polignac number, because 1320120102231 - 2¹¹ = 1320120100183 is a prime.

It is a super-2 number, since 2×1320120102231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320120102251) 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, 10477143606 + ... + 10477143731.

It is an arithmetic number, because the mean of its divisors is an integer number (181603823596).

Almost surely, 2^{1320120102231} is an apocalyptic number.

1320120102231 is a deficient number, since it is larger than the sum of its proper divisors (859125780921).

1320120102231 is a wasteful number, since it uses less digits than its factorization.

1320120102231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20954287350 (or 20954287347 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1320120102231 its reverse (1322010210231), we get a palindrome (2642130312462).

The spelling of 1320120102231 in words is "one trillion, three hundred twenty billion, one hundred twenty million, one hundred two thousand, two hundred thirty-one".