1201231220313 has 8 divisors (see below), whose sum is σ = 1601674034688. Its totient is φ = 800804609744.

The previous prime is 1201231220297. The next prime is 1201231220317. The reversal of 1201231220313 is 3130221321021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201231220313 - 2⁴ = 1201231220297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1201231220313.

It is not an unprimeable number, because it can be changed into a prime (1201231220317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3876906 + ... + 4175267.

It is an arithmetic number, because the mean of its divisors is an integer number (200209254336).

Almost surely, 2^{1201231220313} is an apocalyptic number.

It is an amenable number.

1201231220313 is a deficient number, since it is larger than the sum of its proper divisors (400442814375).

1201231220313 is an equidigital number, since it uses as much as digits as its factorization.

1201231220313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8101903.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1201231220313 its reverse (3130221321021), we get a palindrome (4331452541334).

The spelling of 1201231220313 in words is "one trillion, two hundred one billion, two hundred thirty-one million, two hundred twenty thousand, three hundred thirteen".