1312100122303 has 4 divisors (see below), whose sum is σ = 1312103292120. Its totient is φ = 1312096952488.

The previous prime is 1312100122243. The next prime is 1312100122339. The reversal of 1312100122303 is 3032210012131.

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 1312100122303 - 2⁹ = 1312100121791 is a prime.

It is a super-3 number, since 3×1312100122303³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312100122393) 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, 850600 + ... + 1829677.

It is an arithmetic number, because the mean of its divisors is an integer number (328025823030).

Almost surely, 2^{1312100122303} is an apocalyptic number.

1312100122303 is a deficient number, since it is larger than the sum of its proper divisors (3169817).

1312100122303 is an equidigital number, since it uses as much as digits as its factorization.

1312100122303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169816.

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

Adding to 1312100122303 its reverse (3032210012131), we get a palindrome (4344310134434).

The spelling of 1312100122303 in words is "one trillion, three hundred twelve billion, one hundred million, one hundred twenty-two thousand, three hundred three".