1312220303101 has 16 divisors (see below), whose sum is σ = 1429526822400. Its totient is φ = 1199774721600.

The previous prime is 1312220303039. The next prime is 1312220303161. The reversal of 1312220303101 is 1013030222131.

It is a cyclic number.

It is not a de Polignac number, because 1312220303101 - 2²⁵ = 1312186748669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312220303161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 781236 + ... + 1798546.

It is an arithmetic number, because the mean of its divisors is an integer number (89345426400).

Almost surely, 2^{1312220303101} is an apocalyptic number.

It is an amenable number.

1312220303101 is a deficient number, since it is larger than the sum of its proper divisors (117306519299).

1312220303101 is a wasteful number, since it uses less digits than its factorization.

1312220303101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019700.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1312220303101 its reverse (1013030222131), we get a palindrome (2325250525232).

The spelling of 1312220303101 in words is "one trillion, three hundred twelve billion, two hundred twenty million, three hundred three thousand, one hundred one".