1301220012311 has 8 divisors (see below), whose sum is σ = 1358107221744. Its totient is φ = 1245530428480.

The previous prime is 1301220012277. The next prime is 1301220012329. The reversal of 1301220012311 is 1132100221031.

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 1301220012311 - 2⁶ = 1301220012247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1301220012311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301220012011) 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, 299404181 + ... + 299408526.

It is an arithmetic number, because the mean of its divisors is an integer number (169763402718).

Almost surely, 2^{1301220012311} is an apocalyptic number.

1301220012311 is a deficient number, since it is larger than the sum of its proper divisors (56887209433).

1301220012311 is an equidigital number, since it uses as much as digits as its factorization.

1301220012311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598812801.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1301220012311 its reverse (1132100221031), we get a palindrome (2433320233342).

The spelling of 1301220012311 in words is "one trillion, three hundred one billion, two hundred twenty million, twelve thousand, three hundred eleven".