1320131211203 has 4 divisors (see below), whose sum is σ = 1508721384240. Its totient is φ = 1131541038168.

The previous prime is 1320131211109. The next prime is 1320131211221. The reversal of 1320131211203 is 3021121310231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1320131211203 - 2¹⁰ = 1320131210179 is a prime.

It is a super-3 number, since 3×1320131211203³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1320131211103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94295086508 + ... + 94295086521.

It is an arithmetic number, because the mean of its divisors is an integer number (377180346060).

Almost surely, 2^{1320131211203} is an apocalyptic number.

1320131211203 is a deficient number, since it is larger than the sum of its proper divisors (188590173037).

1320131211203 is an equidigital number, since it uses as much as digits as its factorization.

1320131211203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188590173036.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1320131211203 its reverse (3021121310231), we get a palindrome (4341252521434).

The spelling of 1320131211203 in words is "one trillion, three hundred twenty billion, one hundred thirty-one million, two hundred eleven thousand, two hundred three".