1320201313125 has 20 divisors (see below), whose sum is σ = 2199631417632. Its totient is φ = 704107366000.

The previous prime is 1320201313121. The next prime is 1320201313253. The reversal of 1320201313125 is 5213131020231.

It is a happy number.

It is not a de Polignac number, because 1320201313125 - 2² = 1320201313121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320201313095 and 1320201313104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320201313121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 352051809 + ... + 352055558.

Almost surely, 2^{1320201313125} is an apocalyptic number.

1320201313125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1320201313125 is a deficient number, since it is larger than the sum of its proper divisors (879430104507).

1320201313125 is an frugal number, since it uses more digits than its factorization.

1320201313125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704107390 (or 704107375 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 1320201313125 its reverse (5213131020231), we get a palindrome (6533332333356).

The spelling of 1320201313125 in words is "one trillion, three hundred twenty billion, two hundred one million, three hundred thirteen thousand, one hundred twenty-five".